Webster's Revised Unabridged Dictionary · 1913

Terrible

Terrible , adjective

[French, from Latin terribilis, from terrere to frighten. See Terror.]

1.
Adapted or likely to excite terror, awe, or dread; dreadful; formidable.
Prudent in peace, and terrible in war. — Prior
Thou shalt not be affrighted at them; for the Lord thy God is among you, a mighty God and terrible. — Deut. vii. 21
2.
Excessive; extreme; severe. [Colloquial]
The terrible coldness of the season. — Clarendon