snitchPronunciation: /snɪtʃ/ informalDefinition of snitch verb 1 [with object] steal: he snitched the umbrella for when he went fishing figurativeshe was snitching a look out of the window 2 [no object] inform on someone:she wouldn’t tell who snitched on me noun an informer: they thought he was a plant or a snitchOrigin: late 17th century: of unknown originsnitch in other Oxford dictionaries Definition of snitch in the US English dictionary