(v): lessen the strength of
(v): corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones
(v): alter from the original
(adj): vs. undiluted), dilute -- (reduced in strength or concentration or quality or purity
(adj): mixed with water
(adj): overly diluted; thin and insipid
(adj): (of coffee) having cream or milk added
