nervous

Of or relating to the nerves or nervous system.

Stemming from or affecting the nerves or nervous system.

Easily agitated or distressed; high-strung or jumpy.

Marked by or having a feeling of unease or apprehension.

Vigorous in style or feeling; spirited.

Strong; sinewy.

Full of nerves.

Sinewy; strong; vigorous; well-strung.

Possessing or manifesting vigor of mind; characterized by force or strength in sentiment or style: as, a nervous historian.