bottomless Get Printable Handwriting (bot-tom-less) 3 syllables Rhymes Learn It! Spelling Test Definition adjective. 1 having no lowest point; 2 extremely deep; 3 having no apparent limits or bounds Example Sentence He was careful walking by the bottomless pit. Synonyms deep; endless; far down Antonyms shallow Rhymes Three Syllable Rhymes (1) bottomless Share with your friends: