adj.1. slightly wet; moist: damp weather; a damp towel.2. unenthusiastic; dejected; depressed: The welcoming committee gave them a rather damp reception.n.3. moisture; humidity; moist air: damp that goes through your warmest clothes.4. a noxious or stifling vapor or gas, esp. in a mine.5. depression of spirits; dejection.6. a restraining or discouraging force or factor.v.t.7. to make damp; moisten.8. to check or retard the energy, action, etc., of; deaden; dampen: A series of failures damped her enthusiasm.9. to stifle or suffocate; extinguish: to damp a furnace.10. Acoustics, Music. to check or retard the action of (a vibrating string); dull; deaden.11. Physics. to cause a decrease in amplitude of (successive oscillations or waves).12. damp off, to undergo damping-off.[1300-50; ME (in sense of def. 4); cf. MD damp, MHG dampf vapor, smoke]Syn. 1. dank, steamy. DAMP, HUMID, MOIST mean slightly wet. DAMP usually implies slight and extraneous wetness, generally undesirable or unpleasant unless the result of intention: a damp cellar; to put a damp cloth on a patient's forehead. HUMID is applied to unpleasant dampness in the air: The air is oppressively humid today. MOIST denotes something that is slightly wet, naturally or properly: moist ground; moist leather. 3. dankness, dampness, fog, vapor. 7. humidify. 8. slow, inhibit, restrain, moderate, abate.Ant. 1. dry.
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