Angry growls made by dogs or people showing their teeth; or tangled, messy knots in hair or fabric.
From Middle Low German 'snarren' (to rattle or snarl) or possibly Norwegian 'snarren.' The word originally imitated the sound of an angry animal before being applied to tangles.
A dog's snarl is actually more dangerous than a bark—it's a silent or low-volume threat that says 'I'm serious and ready to bite,' whereas barking is often about territory or attention-seeking.
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