Antonyms of adj fifty-one

1 sense of fifty-one

Sense 1
fifty-one, 51, li -- (being one more than fifty)

INDIRECT (VIA cardinal) -> ordinal -- (being or denoting a numerical order in a series; "ordinal numbers"; "held an ordinal rank of seventh")

Similarity of adj fifty-one

1 sense of fifty-one

Sense 1
fifty-one, 51, li -- (being one more than fifty)
       => cardinal (vs. ordinal) -- (being or denoting a numerical quantity but not order; "cardinal numbers")