Base synonym verb bottom · bed · foot · foundation · pedestal · rest · stand · support. 1 grouts. settlings. See examples for synonyms. 1 (Verb) in the sense of base. Definition. to provide a basis for. Her argument was grounded in fact. Synonyme. 2 clamp · grip · cling · grab · bosom · clasp · hold · embrace. 3 spout · gush · spurt · overflow · race · swamp · course · flood. 4 camp center foothold station fortress bridgehead stronghold headquarters field front installation footing emplacement bastion beachhead staging area airbase staging ground fastness toehold battlefront. 5 Synonyms of base 1 a: the bottom of something considered as its support: foundation the base of the mountain the lamp's heavy base b biology: that part of a bodily organ by which it is attached to another more central structure of the organism the base of the thumb c architecture (1). 6 ing. to make or form a base or foundation for. 7 synonyms for base Compare Synonyms paltry common corrupt depraved foul grovelling humble mean menial offensive plebeian poor shoddy abject abominable cheap coarse contemptible despicable disgraceful dishonorable disreputable ignoble immoral indelicate loathsome lowly pitiful scandalous servile shameful sleazy sordid sorry squalid trashy ugly. 8 base noun (BOTTOM) B2 [ C ] the bottom part of an object, on which it rests, or the lowest part of something: a crystal glass with a heavy base. At the base of the cliff was a rocky beach. This cream provides an excellent base for your makeup (= a good bottom layer on which other layers can be put). Fewer examples. 9 Synonyms of based based verb Definition of based past tense of base as in predicated to find a basis she based her argument on careful research Synonyms & Similar Words Relevance predicated grounded founded rested established hanged hung premised presumed postulated assumed supposed presupposed Articles Related to based. base synonym deutsch 10 foundation synonym 12