Word:    Find rhymes Find rhymes (advanced) Find near rhymes Find synonyms Find descriptive words Find phrases Find antonyms Find definitions Find related words Find similar sounding words Find similarly spelled words Find homophones Find phrase rhymes Match consonants only Match these letters Find anagrams (unscramble) Hey you! Yes, you! Thank you for adding beauty to the world! Definitions of billionth: noun:   position 1,000,000,000 in a countable series of things noun:   one part in a billion adjective:   the ordinal number of one billion in counting order Related words... Descriptive words...   Help  Feedback  Privacy  Terms of Use Copyright © 2023