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Từ điển WordNet v3.1 - WordNet Dictionary
depression


noun
1. a mental state characterized by a pessimistic sense of inadequacy and a despondent lack of activity (Freq. 4)
Ant:
elation
Hypernyms:
psychological state, psychological condition, mental state, mental condition
Hyponyms:
melancholia, blues, blue devils, megrims, vapors,
vapors, funk, blue funk, melancholy, slough of despond,
low spirits, dejection
2. a long-term economic state characterized by unemployment and low prices and low levels of trade and investment (Freq. 3)
Syn:
slump, economic crisis
Derivationally related forms:
slump (for: slump)
Hypernyms:
economic condition, crisis
Instance Hyponyms:
Great Depression
3. a sunken or depressed geological formation (Freq. 3)
Syn:
natural depression
Ant:
natural elevation (for: natural depression)
Hypernyms:
geological formation, formation
Hyponyms:
basin, bed, bottom, crater, hole,
hollow, lowland, sinkhole, sink, swallow hole, trench,
deep, oceanic abyss, trough, valley, vale
4. sad feelings of gloom and inadequacy (Freq. 1)
Hypernyms:
sadness, unhappiness
Hyponyms:
demoralization, demoralisation, helplessness, despondency, despondence,
heartsickness, disconsolateness, oppression, oppressiveness, dysphoria
5. an air mass of lower pressure;
often brings precipitation
- a low moved in over night bringing sleet and snow
Syn:
low
Hypernyms:
air mass
Part Holonyms:
cyclone
6. a state of depression and anhedonia so severe as to require clinical intervention
Syn:
depressive disorder, clinical depression
Hypernyms:
affective disorder, major affective disorder, emotional disorder, emotional disturbance
Hyponyms:
agitated depression, anaclitic depression, dysthymia, dysthymic depression, endogenous depression,
exogenous depression, reactive depression, major depressive episode, neurotic depression, psychotic depression, retarded depression
7. a concavity in a surface produced by pressing
- he left the impression of his fingers in the soft mud
Syn:
impression, imprint
Hypernyms:
concave shape, concavity, incurvation, incurvature
Hyponyms:
dimple, groove, channel, dip, incision,
scratch, prick, slit, dent, sag, droop,
wrinkle, furrow, crease, crinkle, seam, line,
crevice, cranny, crack, fissure, chap
8. angular distance below the horizon (especially of a celestial object)
Hypernyms:
angular position
9. pushing down
- depression of the space bar on the typewriter
Derivationally related forms:
depress
Hypernyms:
push, pushing
Hyponyms:
click, mouse click

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