adjective

1. inverted; reversed in order or relation; directly opposite
2. Math. designating or of an operation which, when applied after a specific operation, cancels it subtraction is the inverse operation of addition

Etymology: L inversus, pp. of invertere

noun

1. any inverse thing; direct opposite
2. Math.
   1. the result of an inversion
   2. the result obtained after dividing 1 by the given number; reciprocal the inverse of x is 1/x

transitive verb inversed -·versed′, inversing -·vers′·ing