break down
verb.
make ineffective
Martin Luther King tried to break down racial discrimination
Synonym: crush
verb.
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
verb.
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
Synonym: lose it, snap
verb.
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
verb.
fall apart
the building crumbled after the explosion|Negotiations broke down
verb.
cause to fall or collapse
verb.
separate (substances) into constituent elements or parts
verb.
collapse due to fatigue, an illness, or a sudden attack
Synonym: collapse