Antonyms of adj ambivalent

1 sense of ambivalent

Sense 1
ambivalent -- (uncertain or unable to decide about what course to follow; "was ambivalent about having children")

INDIRECT (VIA uncertain, unsure) -> certain, sure -- (having or feeling no doubt or uncertainty; confident and assured; "felt certain of success"; "was sure (or certain) she had seen it"; "was very sure in his beliefs"; "sure of her friends")
INDIRECT (VIA uncertain, unsure) -> certain, sure -- (having or feeling no doubt or uncertainty; confident and assured; "felt certain of success"; "was sure (or certain) she had seen it"; "was very sure in his beliefs"; "sure of her friends")

Similarity of adj ambivalent

1 sense of ambivalent

Sense 1
ambivalent -- (uncertain or unable to decide about what course to follow; "was ambivalent about having children")
       => uncertain (vs. certain), unsure (vs. sure), incertain -- (lacking or indicating lack of confidence or assurance; "uncertain of his convictions"; "unsure of himself and his future"; "moving with uncertain (or unsure) steps"; "an uncertain smile"; "touched the ornaments with uncertain fingers")