Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Noun
S: (n) cave in, subsidence (the sudden collapse of something into a hollow beneath it)
Verb
S: (v) collapse, fall in, cave in, give, give way, break, founder (break down, literally or metaphorically) "The wall collapsed"; "The business collapsed"; "The dam broke"; "The roof collapsed"; "The wall gave in"; "The roof finally gave under the weight of the ice"