Antonyms of adj postmeridian

1 sense of postmeridian

Sense 1
postmeridian (vs. antemeridian) -- (after noon)

antemeridian (vs. postmeridian) -- (before noon)
        => ante meridiem, a.m. -- (before noon)

Similarity of adj postmeridian

1 sense of postmeridian

Sense 1
postmeridian (vs. antemeridian) -- (after noon)
       => post meridiem, p.m. -- (after noon)

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