| Thicken 1. (v. t.) To make thick (in any sense of the word). 2. (v. t.) To render dense; to inspissate; as, to thicken paint. 3. (v. t.) To make close; to fill up interstices in; as, to thicken cloth; to thicken ranks of trees or men. 4. (v. t.) To strengthen; to confirm. 5. (v. t.) To make more frequent; as, to thicken blows. 6. (v. i.) To become thick. Thesaurus Entries add to, aggrandize, amplify, augment, beat up, boost, broaden, build, build up, cake, candy, churn, clabber, clot, clump, cluster, coagulate, colloid, colloidize, concrete, condense, congeal, cream, crystallize, curd, curdle, emulsify, emulsionize, enlarge, exalt, expand, extend, fatten, fill out, firm up, gel, gelatinate, gelatinize, granulate, grow thick, harden, hike, hike up, incrassate, increase, inflate, inspissate, jack up, jell, jellify, jelly, jump up, knot, lengthen, lopper, lump, maximize, parlay, put up, pyramid, raise, set, solidify, stiffen, take a set, thick, up, whip |