Open English Wordnet
Verbs
(v)stagnatestand still“Industry will stagnate if we do not stimulate our economy” (v)stagnatecause to stagnate“There are marshes that stagnate the waters” (v)stagnatecease to flow; stand without moving“Stagnating waters”,
“blood stagnates in the capillaries” (v)idle, laze, slug, stagnatebe idle; exist in a changeless situation“The old man sat and stagnated on his porch”,
“He slugged in bed all morning”