the unlawful killing of one human being by another without malice aforethought
Compare murder
See also homicide, malice aforethought(loosely) the killing of a human being
WordReference Random House Learner's Dictionary of American English © 2026
man•slaugh•ter /ˈmænˌslɔtɚ/USA pronunciation
n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- Lawthe unlawful killing of a human being in which there is no prior intent to kill.
man•slaugh•ter
(man′slô′tər),USA pronunciation n.
- Lawthe unlawful killing of a human being without malice aforethought.
- the killing of a human being by another;
homicide.
- 1250–1300; Middle English; see man1, slaughter
Collins Concise English Dictionary © HarperCollins Publishers::
'manslaughter' also found in these entries (note: many are not synonyms or translations):