10 very common adjective (1) noun (1) adjective 1. being one more than nine Synonymstenx Similarcardinal noun 1. the cardinal number that is the sum of nine and one; the base of the decimal system SynonymstenXtennerdecade Related words Broader terms large integer WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.