IPA: /ˈwɔːrəntləs/
KK: /ˈwɔːrəntləs/
Describing an action that is done without a legal document that allows it, especially in the context of law enforcement.
The police conducted a warrantless search of the premises.
Warrantless → It is formed from "warrant" (from Old French *garant*, meaning to guarantee or secure) and "-less" (meaning without). The word "warrantless" means without a guarantee or authorization, typically referring to actions taken without a warrant.
Think of 'warrant' as a guarantee or authorization, and remember that 'warrantless' means lacking that guarantee.