· obliterate or extinguish; "Some life-forms were obliterated by the radiation, others survived"
Hypernym(s): snuff_out, blow_out, extinguish, quench
· darken completely; "The dining room blackened out"
Synonym(s): blacken_out
Hypernym(s): darken
· suppress by censorship as for political reasons; "parts of the newspaper article were blacked out"
· lose consciousness due to a sudden trauma, for example
Synonym(s): zonk_out, pass_out
Hypernym(s): change_state, turn