NINTH /naɪnθ/ ► audio Scrabble 8 Words With Friends 9 Definition adjective coming next after the eighth and just before the tenth in position. — synonyms: 9th noun position nine in a countable series of things. noun one part in nine equal parts. — synonyms: one-ninth See all 13 words you can make from NINTH → 5-letter words Words starting with N Words ending with H ← Unscramble different letters