1. (v. t.) To make less concentrated by mixture with something\; to thin and dissolve by mixing.

2. (v. t.) To diminish the strength, flavor, color, etc., of, by mixing; to reduce, especially by the addition of water; to temper; to attenuate; to weaken.

3. (v. i.) To become attenuated, thin, or weak; as, it dilutes easily.

4. (a.) Diluted; thin; weak.

abate adulterate adulterated alleviate alter attenuate baptize bastardize bate blow off cast forth clear away contaminate corrupt cut debase decrease denaturalize denature diluted diminish dispel dissipate dissolve doctor doctor up drive away ease emacerate emaciate etherealize evaporate expand extenuate fortify impaired impoverished irrigate lace lessen liquefy mitigate moderate modify pollute qualify rarefy reduce reduced remit slacken sophisticated spike subtilize tamper with temper thicken thin thin away thin down thin out volatilize washy water water down watered-down waterish watery weak weaken weakened