Antonyms of adj octosyllabic

1 sense of octosyllabic

Sense 1
octosyllabic -- (having or characterized by or consisting of eight syllables)

INDIRECT (VIA syllabic) -> nonsyllabic, unsyllabic -- (not forming a syllable or the nucleus of a syllable; consisting of a consonant sound accompanied in the same syllable by a vowel sound or consisting of a vowel sound dominated by other vowel sounds in a syllable (as the second vowel in a falling diphthong); "the nonsyllabic `n' in `botany' when it is pronounced `botny'"; "the nonsyllabic `i' in `oi'")

Similarity of adj octosyllabic

1 sense of octosyllabic

Sense 1
octosyllabic -- (having or characterized by or consisting of eight syllables)
       => syllabic (vs. nonsyllabic) -- (consisting of a syllable or syllables)