ONCE Scrabble 6 Words With Friends 8 Definition adverb on one occasion. — synonyms: one_time, in_one_case adverb as soon as. adverb at a previous time. — synonyms: formerly, at_one_time, erstwhile, erst Anagrams of ONCE cone See all 10 words you can make from ONCE → 4-letter words Words starting with O Words ending with E ← Unscramble different letters