Antonyms of adj adamantine

2 of 3 senses of adamantine

Sense 2
adamantine -- (having the hardness of a diamond)

INDIRECT (VIA hard) -> soft -- (yielding readily to pressure or weight)

Sense 3
adamant, adamantine, inexorable, intransigent -- (impervious to pleas, persuasion, requests, reason; "he is adamant in his refusal to change his mind"; "Cynthia was inexorable; she would have none of him"- W.Churchill; "an intransigent conservative opposed to every liberal tendency")

INDIRECT (VIA inflexible) -> flexible -- (capable of being changed; "flexible schedules")

Similarity of adj adamantine

3 senses of adamantine

Sense 1
adamantine -- (consisting of or having the hardness of adamant)

Sense 2
adamantine -- (having the hardness of a diamond)
       => hard (vs. soft) -- (resisting weight or pressure)

Sense 3
adamant, adamantine, inexorable, intransigent -- (impervious to pleas, persuasion, requests, reason; "he is adamant in his refusal to change his mind"; "Cynthia was inexorable; she would have none of him"- W.Churchill; "an intransigent conservative opposed to every liberal tendency")
       => inflexible (vs. flexible) -- (incapable of change; "a man of inflexible purpose")