Antonyms of adj polysemantic

1 sense of polysemantic

Sense 1
polysemous, polysemantic -- (of words; having many meanings)

INDIRECT (VIA ambiguous) -> unambiguous -- (having or exhibiting a single clearly defined meaning; "As a horror, apartheid...is absolutely unambiguous"- Mario Vargas Llosa)

Similarity of adj polysemantic

1 sense of polysemantic

Sense 1
polysemous, polysemantic -- (of words; having many meanings)
       => ambiguous (vs. unambiguous) -- (having more than one possible meaning; "ambiguous words"; "frustrated by ambiguous instructions, the parents were unable to assemble the toy")