| bolt | | |
| n. (phenomenon) | 1. bolt, bolt of lightning, thunderbolt | a discharge of lightning accompanied by thunder. |
| ~ lightning | abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission of light. |
| n. (artifact) | 2. bolt | a sliding bar in a breech-loading firearm that ejects an empty cartridge and replaces it and closes the breech. |
| ~ bar | a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon.; "there were bars in the windows to prevent escape" |
| ~ rifle | a shoulder firearm with a long barrel and a rifled bore.; "he lifted the rifle to his shoulder and fired" |
| n. (artifact) | 3. bolt, deadbolt | the part of a lock that is engaged or withdrawn with a key. |
| ~ bar | a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon.; "there were bars in the windows to prevent escape" |
| ~ lock | a fastener fitted to a door or drawer to keep it firmly closed. |
| ~ safety bolt, safety lock | a bolt that cannot be moved from outside the door or gate. |
| n. (act) | 4. bolt, dash | the act of moving with great haste.; "he made a dash for the door" |
| ~ rush, haste, rushing, hurry | the act of moving hurriedly and in a careless manner.; "in his haste to leave he forgot his book" |
| n. (artifact) | 5. bolt | a roll of cloth or wallpaper of a definite length. |
| ~ roll | anything rolled up in cylindrical form. |
| n. (artifact) | 6. bolt | a screw that screws into a nut to form a fastener. |
| ~ carriage bolt | a roundheaded bolt for timber; threaded along part of the shank; inserted into holes already drilled. |
| ~ clinch | the flattened part of a nail or bolt or rivet. |
| ~ expansion bolt | a bolt that has an attachment that expands as the bolt is driven into a surface. |
| ~ head | a projection out from one end.; "the head of the nail"; "a pinhead is the head of a pin" |
| ~ kingbolt, swivel pin, kingpin | bolt that provides a steering joint in a motor vehicle. |
| ~ machine bolt | a bolt with a square or hexagonal head on one end and a threaded shaft on the other end; tightened with a wrench; used to connect metal parts. |
| ~ nut and bolt | a fastener made by screwing a nut onto a threaded bolt. |
| ~ screw | a fastener with a tapered threaded shank and a slotted head. |
| ~ shank | cylinder forming the part of a bolt between the thread and the head. |
| ~ stove bolt | a small machine bolt. |
| n. (act) | 7. bolt | a sudden abandonment (as from a political party). |
| ~ abandonment, desertion, forsaking | the act of giving something up. |
| ~ political science, politics, government | the study of government of states and other political units. |
| v. (motion) | 8. bolt | move or jump suddenly.; "She bolted from her seat" |
| ~ move | move so as to change position, perform a nontranslational motion.; "He moved his hand slightly to the right" |
| v. (contact) | 9. bolt | secure or lock with a bolt.; "bolt the door" |
| ~ lock | fasten with a lock.; "lock the bike to the fence" |
| v. (consumption) | 10. bolt | swallow hastily. |
| ~ swallow, get down | pass through the esophagus as part of eating or drinking.; "Swallow the raw fish--it won't kill you!" |
| v. (motion) | 11. abscond, absquatulate, bolt, decamp, go off, make off, run off | run away; usually includes taking something or somebody along.; "The thief made off with our silver"; "the accountant absconded with the cash from the safe" |
| ~ levant | run off without paying a debt. |
| ~ flee, take flight, fly | run away quickly.; "He threw down his gun and fled" |
| v. (motion) | 12. beetle off, bolt, bolt out, run off, run out | leave suddenly and as if in a hurry.; "The listeners bolted when he discussed his strange ideas"; "When she started to tell silly stories, I ran out" |
| ~ go forth, leave, go away | go away from a place.; "At what time does your train leave?"; "She didn't leave until midnight"; "The ship leaves at midnight" |
| v. (consumption) | 13. bolt, gobble | eat hastily without proper chewing.; "Don't bolt your food!" |
| ~ eat | take in solid food.; "She was eating a banana"; "What did you eat for dinner last night?" |
| v. (change) | 14. bolt | make or roll into bolts.; "bolt fabric" |
| ~ furl, roll up | form into a cylinder by rolling.; "Roll up the cloth" |
| adv. | 15. bolt, rigidly, stiffly | in a rigid manner.; "the body was rigidly erect"; "he sat bolt upright" |
| adv. | 16. bang, bolt, slap, slapdash, smack | directly.; "he ran bang into the pole"; "ran slap into her" |
| ~ colloquialism | a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech. |
| leap | | |
| n. (act) | 1. bounce, bound, leap, leaping, saltation, spring | a light, self-propelled movement upwards or forwards. |
| ~ jumping, jump | the act of jumping; propelling yourself off the ground.; "he advanced in a series of jumps"; "the jumping was unexpected" |
| ~ capriole, caper | a playful leap or hop. |
| ~ pounce | the act of pouncing. |
| n. (event) | 2. jump, leap, saltation | an abrupt transition.; "a successful leap from college to the major leagues" |
| ~ transition | a change from one place or state or subject or stage to another. |
| ~ quantum jump | (physics) an abrupt transition of an electron or atom or molecule from one quantum state to another with the emission or absorption of a quantum. |
| n. (event) | 3. jump, leap | a sudden and decisive increase.; "a jump in attendance" |
| ~ increase | a change resulting in an increase.; "the increase is scheduled for next month" |
| ~ quantum leap, quantum jump | a sudden large increase or advance.; "this may not insure success but it will represent a quantum leap from last summer" |
| n. (attribute) | 4. leap | the distance leaped (or to be leaped).; "a leap of 10 feet" |
| ~ distance | the property created by the space between two objects or points. |
| ~ elevation | (ballet) the height of a dancer's leap or jump.; "a dancer of exceptional elevation" |
| v. (motion) | 5. bound, jump, leap, spring | move forward by leaps and bounds.; "The horse bounded across the meadow"; "The child leapt across the puddle"; "Can you jump over the fence?" |
| ~ move | move so as to change position, perform a nontranslational motion.; "He moved his hand slightly to the right" |
| ~ pronk | jump straight up.; "kangaroos pronk" |
| ~ bounce, rebound, ricochet, take a hop, resile, recoil, spring, bound, reverberate | spring back; spring away from an impact.; "The rubber ball bounced"; "These particles do not resile but they unite after they collide" |
| ~ burst | move suddenly, energetically, or violently.; "He burst out of the house into the cool night" |
| ~ bounce | leap suddenly.; "He bounced to his feet" |
| ~ capriole | perform a capriole, of horses in dressage. |
| ~ galumph | move around heavily and clumsily.; "the giant tortoises galumphed around in their pen" |
| ~ ski jump | jump on skis. |
| ~ saltate | leap or skip, often in dancing.; "These fish swim with a saltating motion" |
| ~ vault | bound vigorously. |
| ~ leapfrog | jump across.; "He leapfrogged his classmates" |
| ~ vault, overleap | jump across or leap over (an obstacle). |
| ~ curvet | perform a leap where both hind legs come off the ground, of a horse. |
| ~ hop, hop-skip, skip | jump lightly. |
| ~ caper | jump about playfully. |
| ~ hop | make a jump forward or upward. |
| v. (change) | 6. jump, leap | pass abruptly from one state or topic to another.; "leap into fame"; "jump to a conclusion"; "jump from one thing to another" |
| ~ switch, change, shift | lay aside, abandon, or leave for another.; "switch to a different brand of beer"; "She switched psychiatrists"; "The car changed lanes" |
| v. (motion) | 7. jump, jump off, leap | jump down from an elevated point.; "the parachutist didn't want to jump"; "every year, hundreds of people jump off the Golden Gate bridge"; "the widow leapt into the funeral pyre" |
| ~ move | move so as to change position, perform a nontranslational motion.; "He moved his hand slightly to the right" |
| v. (motion) | 8. jump, leap | cause to jump or leap.; "the trainer jumped the tiger through the hoop" |
| ~ bound, jump, leap, spring | move forward by leaps and bounds.; "The horse bounded across the meadow"; "The child leapt across the puddle"; "Can you jump over the fence?" |
| spring | | |
| n. (time) | 1. spring, springtime | the season of growth.; "the emerging buds were a sure sign of spring"; "he will hold office until the spring of next year" |
| ~ march equinox, spring equinox, vernal equinox | March 21. |
| ~ time of year, season | one of the natural periods into which the year is divided by the equinoxes and solstices or atmospheric conditions.; "the regular sequence of the seasons" |
| n. (artifact) | 2. spring | a metal elastic device that returns to its shape or position when pushed or pulled or pressed.; "the spring was broken" |
| ~ bedspring | (usually plural) one of the springs holding up the mattress of a bed. |
| ~ coil spring, volute spring | a spring in the shape of a coil. |
| ~ elastic device | any flexible device that will return to its original shape when stretched. |
| ~ leaf spring | long narrow spring consisting of several layers of metal springs bracketed together. |
| ~ mainspring | the most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism. |
| ~ spiral spring | a spring that is wound like a spiral. |
| n. (object) | 3. fountain, natural spring, outflow, outpouring, spring | a natural flow of ground water. |
| ~ fountain of youth | a fountain described in folk tales as able to make people young again.; "Ponce de Leon discovered Florida while searching for the Fountain of Youth" |
| ~ geological formation, formation | (geology) the geological features of the earth. |
| ~ geyser | a spring that discharges hot water and steam. |
| ~ hot spring, thermal spring | a natural spring of water at a temperature of 70 F or above. |
| n. (location) | 4. spring | a point at which water issues forth. |
| ~ origin, source, root, rootage, beginning | the place where something begins, where it springs into being.; "the Italian beginning of the Renaissance"; "Jupiter was the origin of the radiation"; "Pittsburgh is the source of the Ohio River"; "communism's Russian root" |
| n. (attribute) | 5. give, spring, springiness | the elasticity of something that can be stretched and returns to its original length. |
| ~ elasticity, snap | the tendency of a body to return to its original shape after it has been stretched or compressed.; "the waistband had lost its snap" |
| v. (stative) | 6. form, spring, take form, take shape | develop into a distinctive entity.; "our plans began to take shape" |
| ~ regenerate | be formed or shaped anew. |
| ~ become | come into existence.; "What becomes has duration" |
| v. (motion) | 7. bounce, bound, rebound, recoil, resile, reverberate, ricochet, spring, take a hop | spring back; spring away from an impact.; "The rubber ball bounced"; "These particles do not resile but they unite after they collide" |
| ~ kick back, recoil, kick | spring back, as from a forceful thrust.; "The gun kicked back into my shoulder" |
| ~ bound off, skip | bound off one point after another. |
| ~ carom | rebound after hitting.; "The car caromed off several lampposts" |
| ~ bound, jump, leap, spring | move forward by leaps and bounds.; "The horse bounded across the meadow"; "The child leapt across the puddle"; "Can you jump over the fence?" |
| v. (body) | 8. spring | develop suddenly.; "The tire sprang a leak" |
| ~ acquire, develop, produce, grow, get | come to have or undergo a change of (physical features and attributes).; "He grew a beard"; "The patient developed abdominal pains"; "I got funny spots all over my body"; "Well-developed breasts" |
| v. (communication) | 9. spring | produce or disclose suddenly or unexpectedly.; "He sprang these news on me just as I was leaving" |
| ~ disclose, divulge, let on, expose, give away, let out, reveal, unwrap, discover, bring out, break | make known to the public information that was previously known only to a few people or that was meant to be kept a secret.; "The auction house would not disclose the price at which the van Gogh had sold"; "The actress won't reveal how old she is"; "bring out the truth"; "he broke the news to her"; "unwrap the evidence in the murder case" |
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