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

1 sense of mater

Sense 1
mater -- (an informal use of the Latin word for mother; sometimes used by British schoolboys or used facetiously)
       => mother, female parent -- (a woman who has given birth to a child (also used as a term of address to your mother); "the mother of three children")

Antonyms of adj mat

1 sense of mat

Sense 1
flat, mat, matt, matte, matted -- (not reflecting light; not glossy; "flat wall paint"; "a photograph with a matte finish")

INDIRECT (VIA dull) -> bright -- (emitting or reflecting light readily or in large amounts; "the sun was bright and hot"; "a bright sunlit room")

Similarity of adj mat

1 sense of mat

Sense 1
flat, mat, matt, matte, matted -- (not reflecting light; not glossy; "flat wall paint"; "a photograph with a matte finish")
       => dull (vs. bright) -- (emitting or reflecting very little light; "a dull glow"; "dull silver badly in need of a polish"; "a dull sky")