Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun sixer

1 sense of sixer

Sense 1
six, 6, VI, sixer, sise, Captain Hicks, half a dozen, sextet, sestet, sextuplet, hexad -- (the cardinal number that is the sum of five and one)
       => digit, figure -- (one of the elements that collectively form a system of numeration; "0 and 1 are digits")

Antonyms of adj six

1 sense of six

Sense 1
six, 6, vi, half dozen, half-dozen -- (denoting a quantity consisting of six items or units)

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

Similarity of adj six

1 sense of six

Sense 1
six, 6, vi, half dozen, half-dozen -- (denoting a quantity consisting of six items or units)
       => cardinal (vs. ordinal) -- (being or denoting a numerical quantity but not order; "cardinal numbers")