Antonyms of adj ninety-one
1 sense of ninety-one
Sense 1
ninety-one, 91, xci -- (being one more than ninety)
INDIRECT (VIA cardinal) -> ordinal -- (being or denoting a numerical order in a series; "ordinal numbers"; "held an ordinal rank of seventh")
Similarity of adj ninety-one
1 sense of ninety-one
Sense 1
ninety-one, 91, xci -- (being one more than ninety)
=> cardinal (vs. ordinal) -- (being or denoting a numerical quantity but not order; "cardinal numbers")