Definition of "snarl"

snarl¹

/ˈsnɑː(ɹ)l/

verb
third-person singular simple present snarls, present participle snarling, simple past and past participle snarled
1. (transitive) To entangle; to complicate; to involve in knots.
  Quotations
  And from her backe her garments she did teare, / And from her head oft rent her snarled heare […]
  1590, Edmund Spenser, “Book III, Canto XII”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, stanza 17
2. (intransitive) To become entangled.
3. (transitive) To place in an embarrassing situation; to ensnare; to make overly complicated.
  Quotations
  [the] question that they would have snarled him with
  November 9, 1550, Hugh Latimer, Sermon Preached at Stanford
4. (transitive, intransitive) To be congested in traffic, or to make traffic congested.
5. To form raised work upon the outer surface of (thin metal ware) by the repercussion of a snarling iron upon the inner surface.
noun
plural snarls
1. A knot or complication of hair, thread, or the like, difficult to disentangle.
2. An intricate complication; a problematic difficulty; a knotty or tangled situation.
3. A slow-moving traffic jam.
  Quotations
  The biggest cities feel the most acute impact of the last mile – of the squads of trucks and vans, the parcel hubs and sorting centres, the parking snarls and the discarded boxes.
  2019 November 21, Samanth Subramanian, “How our home delivery habit reshaped the world”, in The Guardian‎

snarl²

/ˈsnɑː(ɹ)l/

verb
third-person singular simple present snarls, present participle snarling, simple past and past participle snarled
1. (intransitive) To growl angrily by gnashing or baring the teeth; to gnarl; to utter grumbling sounds.
2. (transitive) To complain angrily; to utter growlingly.
3. (intransitive) To speak crossly; to talk in rude, surly terms.
  Quotations
  It is malicious and unmanly to snarl at the little lapses of a pen, from which Virgil himself stands not exempted.
  1697, John Dryden, “Preface to the Pastorals, with a Short Defence of Virgil, against Some of the Reflections of Monsieur Fontanelle [i.e., Bernard Le Bovier de Fontenelle]”, in Virgil, translated by John Dryden, The Works of Virgil: Containing His Pastorals, Georgics, and Æneis. […], London: […] Jacob Tonson, […]
noun
plural snarls
1. The act of snarling; a growl; a surly or peevish expression; an angry contention.
2. A growl, for example that of an angry or surly dog, or similar; grumbling sounds.
3. A squabble.