v. Simple past tense and past participle of lessen.
adj. Having been lessened.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. decreased in severity; made less harsh
adj. impaired by diminution
Word Usage
"These became more violent as the rain lessened, and, so absolutely were we centred in this electrical maelstrom, there was no connecting any chain or flash or fork of lightning with any particular thunder-clap."