Antonyms of adj synergistic

2 of 3 senses of synergistic

Sense 1
synergistic (vs. antagonistic), interactive -- (used especially of drugs or muscles that work together so the total effect is greater than the sum of the two (or more))

antagonistic (vs. synergistic), incompatible -- (used especially of drugs or muscles that counteract or neutralize each other's effect)
        => antacid -- (acting to neutralize acid (especially in the stomach))
        => antiphlogistic -- (counteracting inflammation)

Sense 3
synergetic, synergistic -- (working together; used especially of groups, as subsidiaries of a corporation, cooperating for an enhanced effect; "a synergistic effect")

INDIRECT (VIA cooperative) -> uncooperative -- (unwilling to cooperate; "an uncooperative witness")

Similarity of adj synergistic

3 senses of synergistic

Sense 1
synergistic (vs. antagonistic), interactive -- (used especially of drugs or muscles that work together so the total effect is greater than the sum of the two (or more))

Sense 2
synergistic -- (of or relating to the theological doctrine of synergism)

Sense 3
synergetic, synergistic -- (working together; used especially of groups, as subsidiaries of a corporation, cooperating for an enhanced effect; "a synergistic effect")
       => cooperative (vs. uncooperative) -- (done with or working with others for a common purpose or benefit; "a cooperative effort")