1. To become angry; SYN. see red.
2. To make angry.

ETYM Old Eng. irken to tire, become tired; cf. Swed. yrka to urge, enforce, press, or German ekel disgust, Mid. High Germ. erklich disgusting; perh. akin to Latin urgere to urge, Eng. urge.
To bother or annoy.

To goad or provoke, as by constant criticism; SYN. needle, goad.

1. To make agitated and angry; upset
2. Roil
3. To irritate; to make angry

To show spite to; to make a show of ill will.

To rise up; of animals fur or hair; as in fear.