Rashing off helms and riving plates asunder. Spenser.

Canker rash. See in the Vocabulary. -- Nettle rash. See Urticaria. -- Rose rash. See Roseola. -- Tooth rash. See Red-gum.

I scarce have leisure to salute you,
My matter is so rash. Shak.

Syn. -- Precipitate; headlong; headstrong; foolhardy; hasty; indiscreet; heedless; thoughtless; incautious; careless; inconsiderate; unwary. -- Rash, Adventurous, Foolhardy. A man is adventurous who incurs risk or hazard from a love of the arduous and the bold. A man is rash who does it from the mere impulse of his feelings, without counting the cost. A man is foolhardy who throws himself into danger in disregard or defiance of the consequences.

Was never known a more adventurous knight. Dryden.

Her rash hand in evil hour
Forth reaching to the fruit, she plucked, she eat. Milton.

If any yet be so foolhardy
To expose themselves to vain jeopardy;
If they come wounded off, and lame,
No honor 's got by such a maim. Hudibras.