Synonyms and Antonyms for
21
1. 21 (adj.)
being one more than twenty
Synonyms:
xxi
cardinal
twenty-one
Antonyms:
ordinal
unimportant
thirty-sixth
four-hundredth
2. 21 (n.)
the cardinal number that is the sum of twenty and one
Synonyms:
XXI
large integer
twenty-one
Antonyms:
ninth
125th
hundred-and-eightieth
fifth
