[syn: break down, collapse]
WordNet (r) 3.0 (2006):
break down
v 1: make ineffective; "Martin Luther King tried to break down
racial discrimination" [syn: break down, crush]
2: make a mathematical, chemical, or grammatical analysis of;
break down into components or essential features; "analyze a
specimen"; "analyze a sentence"; "analyze a chemical
compound" [syn: analyze, analyse, break down,
dissect, take apart] [ant: synthesise, synthesize]
3: lose control of one's emotions; "When she heard that she had
not passed the exam, she lost it completely"; "When her baby
died, she snapped" [syn: break down, lose it, snap]
4: stop operating or functioning; "The engine finally went";
"The car died on the road"; "The bus we travelled in broke
down on the way to town"; "The coffee maker broke"; "The
engine failed on the way to town"; "her eyesight went after
the accident" [syn: fail, go bad, give way, die,
give out, conk out, go, break, break down]
5: fall apart; "the building crumbled after the explosion";
"Negotiations broke down" [syn: crumble, crumple,
tumble, break down, collapse]
6: cause to fall or collapse
7: separate (substances) into constituent elements or parts
[syn: decompose, break up, break down]
8: collapse due to fatigue, an illness, or a sudden attack [syn:
break down, collapse]