| brisk | | |
| brisk, brisk up, brisken | (v.) | become brisk.; "business brisked up" |
| alert, brisk, lively, merry, rattling, snappy, spanking, zippy | (adj.) | quick and energetic.; "a brisk walk in the park"; "a lively gait"; "a merry chase"; "traveling at a rattling rate"; "a snappy pace"; "a spanking breeze" |
| bracing, brisk, fresh, refreshful, refreshing, tonic | (adj.) | imparting vitality and energy.; "the bracing mountain air" |
| brisk | (adj.) | very active.; "doing a brisk business" |
| alert | | |
| alert, qui vive | (n.) | condition of heightened watchfulness or preparation for action.; "bombers were put on alert during the crisis" |
| alert, alerting | (n.) | a warning serves to make you more alert to danger. |
| alarm, alarum, alert, warning signal | (n.) | an automatic signal (usually a sound) warning of danger. |
| alarm, alert | (v.) | warn or arouse to a sense of danger or call to a state of preparedness.; "The empty house alarmed him"; "We alerted the new neighbors to the high rate of burglaries" |
| alert, watchful | (adj.) | engaged in or accustomed to close observation.; "caught by a couple of alert cops"; "alert enough to spot the opportunity when it came"; "constantly alert and vigilant, like a sentinel on duty" |
| alert, alive, awake | (adj.) | mentally perceptive and responsive.; "an alert mind"; "alert to the problems"; "alive to what is going on"; "awake to the dangers of her situation"; "was now awake to the reality of his predicament" |
| energetic | | |
| energetic | (adj.) | possessing or exerting or displaying energy.; "an energetic fund raiser for the college"; "an energetic group of hikers"; "it caused an energetic chemical reaction" |
| energetic, gumptious, industrious, up-and-coming | (adj.) | working hard to promote an enterprise. |
| vivacious | | |
| vibrant, vivacious | (adj.) | vigorous and animated.; "a vibrant group that challenged the system"; "a charming and vivacious hostess"; "a vivacious folk dance" |
| quick | | |
| quick | (n.) | any area of the body that is highly sensitive to pain (as the flesh underneath the skin or a fingernail or toenail). |
| quick, speedy | (adj.) | accomplished rapidly and without delay.; "was quick to make friends"; "his quick reaction prevented an accident"; "hoped for a speedy resolution of the problem"; "a speedy recovery"; "he has a right to a speedy trial" |
| fast, flying, quick | (adj.) | hurried and brief.; "paid a flying visit"; "took a flying glance at the book"; "a quick inspection"; "a fast visit" |
| agile, nimble, quick, spry | (adj.) | moving quickly and lightly.; "sleek and agile as a gymnast"; "as nimble as a deer"; "nimble fingers"; "quick of foot"; "the old dog was so spry it was halfway up the stairs before we could stop it" |
| quick, ready | (adj.) | apprehending and responding with speed and sensitivity.; "a quick mind"; "a ready wit" |
| immediate, prompt, quick, straightaway | (adj.) | performed with little or no delay.; "an immediate reply to my letter"; "a prompt reply"; "was quick to respond"; "a straightaway denial" |
| quick, warm | (adj.) | easily aroused or excited.; "a quick temper"; "a warm temper" |
| promptly, quick, quickly | (adv.) | with little or no delay.; "the rescue squad arrived promptly"; "come here, quick!" |
| fleet | | |
| fleet | (n.) | group of aircraft operating together under the same ownership. |
| fleet | (n.) | group of motor vehicles operating together under the same ownership. |
| fleet | (n.) | a group of steamships operating together under the same ownership. |
| fleet | (n.) | a group of warships organized as a tactical unit. |
| dart, fleet, flit, flutter | (v.) | move along rapidly and lightly; skim or dart.; "The hummingbird flitted among the branches" |
| blow over, evanesce, fade, fleet, pass, pass off | (v.) | disappear gradually.; "The pain eventually passed off" |
| fleet, swift | (adj.) | moving very fast.; "fleet of foot"; "the fleet scurrying of squirrels"; "a swift current"; "swift flight of an arrow"; "a swift runner" |
| active | | |
| active, active agent | (n.) | chemical agent capable of activity. |
| active, active voice | (n.) | the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb.; "`The boy threw the ball' uses the active voice" |
| active | (n.) | a person who is a participating member of an organization.; "the club issues a list of members, both the actives and the retirees" |
| active | (adj.) | tending to become more severe or wider in scope.; "active tuberculosis" |
| active, combat-ready, fighting | (adj.) | engaged in or ready for military or naval operations.; "on active duty"; "the platoon is combat-ready"; "review the fighting forces" |
| active | (adj.) | disposed to take action or effectuate change.; "a director who takes an active interest in corporate operations"; "an active antagonism"; "he was active in drawing attention to their grievances" |
| active, participating | (adj.) | taking part in an activity.; "an active member of the club"; "he was politically active"; "the participating organizations" |
| active | (adj.) | characterized by energetic activity.; "an active toddler"; "active as a gazelle"; "an active man is a man of action" |
| active | (adj.) | exerting influence or producing a change or effect.; "an active ingredient" |
| active | (adj.) | full of activity or engaged in continuous activity.; "an active seaport"; "an active bond market"; "an active account" |
| active, alive | (adj.) | in operation.; "keep hope alive"; "the tradition was still alive"; "an active tradition" |
| active | (adj.) | (of the sun) characterized by an increased occurrence of sunspots and flares and radio emissions. |
| active | (adj.) | expressing that the subject of the sentence has the semantic function of actor:.; "Hemingway favors active constructions" |
| active, dynamic | (adj.) | (used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water')) expressing action rather than a state of being. |
| active | (adj.) | (of e.g. volcanos) capable of erupting. |
| active | (adj.) | (of e.g. volcanos) erupting or liable to erupt.; "active volcanos" |
| active | (adj.) | engaged in full-time work.; "active duty"; "though past retirement age he is still active in his profession" |
| lively | | |
| lively | (adj.) | full of life and energy.; "a lively discussion"; "lively and attractive parents"; "a lively party" |
| lively, racy | (adj.) | full of zest or vigor.; "a racy literary style" |
| bouncy, live, lively, resilient, springy | (adj.) | elastic; rebounds readily.; "clean bouncy hair"; "a lively tennis ball"; "as resilient as seasoned hickory"; "springy turf" |
| lively | (adj.) | filled with events or activity.; "a lively period in history" |
| full of life, lively, vital | (adj.) | full of spirit.; "a dynamic full of life woman"; "a vital and charismatic leader"; "this whole lively world" |
