ETYM Latin inversus, p. p. of invertere: cf. French inverse. Related to Invert.
1. Reversed (turned backward) in order or nature or effect; SYN. reverse.
2. Inversely related.
3. (Mathematics) Varying in a manner opposite to that of another quantity; a term is in inverse proportion to another term if it increases (or decreases) as the other decreases (or increases).

1. Something inverted in sequence or character or effect; SYN. opposite.
2. (Math) One of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2; the inverse of 7 is 1/7; SYN. reciprocal.