thicken
0 antonyms and opposites of thicken, grouped by meaning.
Verb — To make thicker (in the sense of wider).
We haven't recorded synonyms for thicken yet. You can still read its full definition, where it comes from, or words that rhyme with it.
Etymology
From Middle English thickenen, thikkenen, perhaps from Old Norse þykkna (“to thicken”); equivalent to thick + -en. Cognate with Swedish tjockna (“to thicken”), Icelandic þykkna (“to thicken”).
Full origin of thicken →