Answer: bristle

AnswerCrossword Clue
BRISTLEWhisker.
bristleto stand erect stiffly
bristleto raise bristles, as in anger
bristleshort, stiff, coarse hair
bristleto be thickly filled
bristleto show indignation
BRISTLEVisibly take offense
BRISTLEBrush material
BRISTLEShow some irritation
BRISTLEStand up
BRISTLEStiff prickly hair
BRISTLEUnshackle the hackles
BRISTLETense up
BRISTLEShow anger
BRISTLEHair.
BRISTLEReact angrily
BRISTLETake an aggressive attitude.
BRISTLEHave an aggressive air.
BRISTLEEvince resentment.
BRISTLEGrow aggressive.
BRISTLEBecome aggressive.
BRISTLEGet angry and defensive
BRISTLEBetray discontentment
BRISTLEShow irritation
BRISTLETake offense
BRISTLEGet one's back up
BRISTLEBrush part
BRISTLEDisplay irritation
BRISTLEBrush component
BRISTLEReply defensively