I. verb
to make less strong or concentrated
dilute acid
Synonyms: cut, thin, weaken
Related Word: moderate, qualify, temper; deliquesce, liquefy; alter, modify
Contrasted words: enrich, fortify, richen, upgrade; condense, densify, evaporate, thicken
Antonyms: concentrate
II. adjective
of relatively low strength or concentration
dilute acid
Synonyms: diluted, thin, washy, watered-down, waterish, watery, weak
Related Word: reduced; adulterated, sophisticated; impaired, impoverished, weakened
Contrasted words: condensed, densified, thickened
Antonyms: concentrated