| perturb | | |
| v. (emotion) | 1. cark, disorder, disquiet, distract, perturb, trouble, unhinge | disturb in mind or make uneasy or cause to be worried or alarmed.; "She was rather perturbed by the news that her father was seriously ill" |
| ~ vex, worry | disturb the peace of mind of; afflict with mental agitation or distress.; "I cannot sleep--my daughter's health is worrying me" |
| ~ disturb, trouble, upset | move deeply.; "This book upset me"; "A troubling thought" |
| v. (motion) | 2. perturb | disturb or interfere with the usual path of an electron or atom.; "The electrons were perturbed by the passing ion" |
| ~ deviate | cause to turn away from a previous or expected course.; "The river was deviated to prevent flooding" |
| ~ perturb | cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull.; "The orbits of these stars were perturbed by the passings of a comet" |
| v. (motion) | 3. perturb | cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull.; "The orbits of these stars were perturbed by the passings of a comet" |
| ~ deviate | cause to turn away from a previous or expected course.; "The river was deviated to prevent flooding" |
| ~ perturb | disturb or interfere with the usual path of an electron or atom.; "The electrons were perturbed by the passing ion" |
| v. (change) | 4. derange, perturb, throw out of kilter | throw into great confusion or disorder.; "Fundamental Islamicists threaten to perturb the social order in Algeria and Egypt" |
| ~ disarray, disorder | bring disorder to. |
| buoy | | |
| n. (communication) | 1. buoy | bright-colored; a float attached by rope to the seabed to mark channels in a harbor or underwater hazards. |
| ~ point of reference, reference point, reference | an indicator that orients you generally.; "it is used as a reference for comparing the heating and the electrical energy involved" |
| ~ acoustic buoy | a buoy that can be heard (at night). |
| ~ can buoy, can | a buoy with a round bottom and conical top. |
| ~ conical buoy, nun buoy, nun | a buoy resembling a cone. |
| ~ spar buoy | a buoy resembling a vertical log. |
| v. (motion) | 2. buoy | float on the surface of water. |
| ~ float, swim | be afloat either on or below a liquid surface and not sink to the bottom. |
| v. (contact) | 3. buoy, buoy up | keep afloat.; "The life vest buoyed him up" |
| ~ hold up, support, sustain, hold | be the physical support of; carry the weight of.; "The beam holds up the roof"; "He supported me with one hand while I balanced on the beam"; "What's holding that mirror?" |
| v. (communication) | 4. buoy | mark with a buoy. |
| ~ mark | designate as if by a mark.; "This sign marks the border" |
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