ANTIBIOTIC /ˌæn.taɪ.baɪˈɒt.ɪk/ Scrabble 14 Words With Friends 17 Definition adjective of or relating to antibiotic drugs. noun a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections. — synonyms: antibiotic_drug See all 133 words you can make from ANTIBIOTIC → 10-letter words Words starting with A Words ending with C ← Unscramble different letters