from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To make damp.
- transitive v. To deaden, restrain, or depress: "trade moves . . . aimed at dampening protectionist pressures in Congress” ( Christian Science Monitor).
- transitive v. To soundproof.
- intransitive v. To become damp.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To make damp or moist; to make slightly wet.
- v. To depress; to check; to make dull; to lessen.
- v. To become damp; to deaden.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To make damp or moist; to make slightly wet.
- transitive v. To depress; to check; to make dull; to lessen.
- intransitive v. To become damp; to deaden.
from The Century Dictionary and Cyclopedia
- To make damp or humid; apply moisture to; wet slightly; damp: as, the grass was dampened by a slight shower; to dampen clothes for ironing.
- To put a check or damper upon; make weak or dull; dim; deaden. See damp.
- To become damp.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. lessen in force or effect
- v. deaden (a sound or noise), especially by wrapping
- v. make vague or obscure or make (an image) less visible
- v. check; keep in check (a fire)
- v. reduce the amplitude (of oscillations or waves)
- v. smother or suppress
- v. make moist
damp + -en (Wiktionary)