The Collaborative International Dictionary of English v.0.48:
decreased \decreased\ adj. made less in size or amount or degree. Opposite of increased. [Narrower terms: attenuate, attenuated, faded, weakened; belittled, diminished, small; cut, cut-rate; diminished, lessened; minimized; remittent; attenuated] Syn: reduced. [WordNet 1.5]