gelEnglishOxford American Thesaurusgel (also jell) verb 1 the meat and broth are put into molds to gel: set, stiffen, solidify, thicken, harden; cake, congeal, coagulate, clot; rare gelatinize. ▷antonyms melt; liquefy. 2 they got the team they wanted and things started to gel: take shape, come together, fall into place, happen, take form, form, emerge, crystallize, materialize, become definite. ▷antonyms fall apart.