Antonyms of adj fifty-fifth

1 sense of fifty-fifth

Sense 1
fifty-fifth, 55th -- (the ordinal number of fifty-five in counting order)

INDIRECT (VIA ordinal) -> cardinal -- (being or denoting a numerical quantity but not order; "cardinal numbers")

Similarity of adj fifty-fifth

1 sense of fifty-fifth

Sense 1
fifty-fifth, 55th -- (the ordinal number of fifty-five in counting order)
       => ordinal (vs. cardinal) -- (being or denoting a numerical order in a series; "ordinal numbers"; "held an ordinal rank of seventh")