SEMIWEEKLY Scrabble 22 Words With Friends 23 Definition adverb twice a week. — synonyms: biweekly adjective occurring twice a week. — synonyms: biweekly noun a periodical that is published twice each week (or 104 issues per year). See all 155 words you can make from SEMIWEEKLY → 10-letter words Words starting with S Words ending with Y ← Unscramble different letters