intransitive. To show the teeth in rage, pain, disappointment, etc.; to snarl as a dog; to complain persistently; to be fretful or peevish. Also to gi…

intransitive. To be furious, to rage; spec. (esp. of a dog) to snarl with rage.

intransitive. Of an animal, esp. a dog: to snarl, growl. Also in extended use.

intransitive. Of dogs, etc.: to snarl or growl.

intransitive. To make a roaring or rumbling noise; to purr, as a cat; to snarl or growl, as a dog. (Cf. wharl, v., whirr, v. 3a 3b.)

To snarl as a dog.

intransitive. To snarl or growl, as or like a dog.