STEP Hebrew Lexicon: כָּעַס

1) to be angry, be vexed, be indignant, be wroth, be grieved, provoke to anger and wrath

1a) (Qal)

1a1) to be vexed, be indignant

1a2) to be angry

1b) (Piel) to provoke to anger

1c) (Hiphil)

1c1) to vex

1c2) to vex, provoke to anger