1. (adj)ten, 10, X, tenner, decade the cardinal number that is the sum of nine and one; the base of the decimal system Synonyms: decade, cristal, ten-spot, ten, go, disco biscuit, ecstasy, ex, decennium, tenner, decennary, hug drug, ten dollar bill Antonyms: ordinal
2. (adj)ten, 10, x being one more than nine Synonyms: x, ten Antonyms: ordinal