Frantic (adjective)

1. Feeling or showing extreme agitation, anxiety, or emotion.
2. Acting wildly or irrationally.
3. Feeling or showing extreme urgency or eagerness.

Origin:

From middle english frantic, from old french frantic, from latin phreneticus, from greek φρενωδής (phrenōdēs, "of the mind"), from φρήν (phrēn, "mind").

Examples:

1. She was frantic with worry.
2. The crowd was frantic with excitement.
3. The dog was frantic with fear.
4. He was frantic in his search for the missing child.
5. She was frantic in her efforts to finish the project on time.