D defs.my
Entry 2 senses · 2 variants Webster, 1913

Counteractive

/(-?kt"?v)/ · Coun·ter·act·ive · IPA
01 a. Tending to counteract.
  1. 1.
    Tending to counteract.
02 n. One who, or that which, counteracts.
  1. 1.
    One who, or that which, counteracts.