Skip to the word

Added 9 October 2026

ninth

/naɪnθ/ noun

In Latin: nonus Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about ninth at Wordnik → Where our words come from →

Position nine in a countable series of things.
going into the ninth they were a run ahead
One part in nine equal parts.

adjective

Coming next after the eighth and just before the tenth in position.

Origin

From Middle English nynthe, nynte, from Old English niġoþa, from Proto-Germanic *newundô; the -n- was reinserted by analogy with nine. Equivalent to nine + -th (ordinal suffix).

From Wiktionary, via Kaikki.org (CC BY-SA)

Back to today's word