synergist

/ˈsɪnərdʒɪst/
noun
  1. A substance, organism, or person that works together with another to produce a combined effect greater than the sum of their separate effects.
    • In the ecosystem, bees are synergists that help plants reproduce while gathering nectar.
    • She proved to be a great synergist on the team, bringing out the best in everyone.
    • This chemical acts as a synergist, boosting the effectiveness of the main ingredient.
Antonyms
What does "synergist" mean? | whatsthatwordmean | whatsthatwordmean