| anxiety | | |
| n. (state) | 1. anxiety, anxiousness | (psychiatry) a relatively permanent state of worry and nervousness occurring in a variety of mental disorders, usually accompanied by compulsive behavior or attacks of panic. |
| ~ psychiatry, psychological medicine, psychopathology | the branch of medicine dealing with the diagnosis and treatment of mental disorders. |
| ~ mental condition, mental state, psychological condition, psychological state | (psychology) a mental condition in which the qualities of a state are relatively constant even though the state itself may be dynamic.; "a manic state" |
| ~ castration anxiety | (psychoanalysis) anxiety resulting from real or imagined threats to your sexual functions; originally applied only to men but can in principle apply to women. |
| ~ hypochondria, hypochondriasis | chronic and abnormal anxiety about imaginary symptoms and ailments. |
| ~ overanxiety | excessive anxiety. |
| ~ scare, panic | sudden mass fear and anxiety over anticipated events.; "panic in the stock market"; "a war scare"; "a bomb scare led them to evacuate the building" |
| n. (feeling) | 2. anxiety | a vague unpleasant emotion that is experienced in anticipation of some (usually ill-defined) misfortune. |
| ~ emotion | any strong feeling. |
| ~ discomfiture, discomposure, disconcertion, disconcertment | anxious embarrassment. |
| ~ worry, trouble | a strong feeling of anxiety.; "his worry over the prospect of being fired"; "it is not work but worry that kills"; "he wanted to die and end his troubles" |
| ~ concern, fear, care | an anxious feeling.; "care had aged him"; "they hushed it up out of fear of public reaction" |
| ~ disquiet, anxiousness | a feeling of mild anxiety about possible developments. |
| ~ insecurity | the anxiety you experience when you feel vulnerable and insecure. |
| ~ disquietude, edginess, inquietude, uneasiness | feelings of anxiety that make you tense and irritable. |
| ~ sinking feeling, sinking | a feeling caused by uneasiness or apprehension.; "with a sinking heart"; "a sinking feeling in the pit of my stomach" |
| ~ misgiving, qualm, scruple | uneasiness about the fitness of an action. |
| ~ jitteriness, jumpiness, nervousness, restiveness | the anxious feeling you have when you have the jitters. |
| ~ angst | an acute but unspecific feeling of anxiety; usually reserved for philosophical anxiety about the world or about personal freedom. |
| perturbation | | |
| n. (state) | 1. disturbance, perturbation, upset | an unhappy and worried mental state.; "there was too much anger and disturbance"; "she didn't realize the upset she caused me" |
| ~ agitation | a mental state of extreme emotional disturbance. |
| n. (phenomenon) | 2. perturbation | (physics) a secondary influence on a system that causes it to deviate slightly. |
| ~ natural philosophy, physics | the science of matter and energy and their interactions.; "his favorite subject was physics" |
| ~ influence | the effect of one thing (or person) on another.; "the influence of mechanical action" |
| ~ variation | (astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon). |
| n. (event) | 3. disturbance, perturbation | activity that is a malfunction, intrusion, or interruption.; "the term `distress' connotes some degree of perturbation and emotional upset"; "he looked around for the source of the disturbance"; "there was a disturbance of neural function" |
| ~ activity | any specific behavior.; "they avoided all recreational activity" |
| ~ bother, hassle, fuss, trouble | an angry disturbance.; "he didn't want to make a fuss"; "they had labor trouble"; "a spot of bother" |
| ~ magnetic storm | a sudden disturbance of the earth's magnetic field; caused by emission of particles from the sun. |
| n. (attribute) | 4. fluster, perturbation | a disposition that is confused or nervous and upset. |
| ~ discomposure | a temperament that is perturbed and lacking in composure. |
| n. (act) | 5. disruption, perturbation | the act of causing disorder. |
| ~ disturbance | the act of disturbing something or someone; setting something in motion. |
| ~ breakdown, dislocation | the act of disrupting an established order so it fails to continue.; "the social dislocations resulting from government policies"; "his warning came after the breakdown of talks in London" |
| ~ surprisal, surprise | the act of surprising someone. |
| 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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