what does synergistic mean
â¢ SYNERGISTIC (adjective). The adjective SYNERGISTIC has 3 senses: 1. used especially of drugs or muscles that work together so the total effect is greater than the sum of the two (or more). 2. of or relating to the theological doctrine of synergism. 3. working together; used especially of groups, as subsidiaries of a corporation, cooperating for an enhanced effect. Familiarity information: SYNERGISTIC used as an adjective is uncommon.