List of thicken synonyms and thicken related words.
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