Poignant

adjective

1. Of a weapon, etc.: sharp-pointed; keen.
2. Neat; eloquent; applicable; relevant.

   "A poignant reply will garner more credence than hours of blown smoke."

3. Evoking strong mental sensation, to the point of distress; emotionally moving.

   "Flipping through his high school yearbook evoked many a poignant memory of yesteryear."

4. Of a smell or taste: piquant, pungent.
5. Of a look, or of words: incisive; penetrating; piercing.

   "His comments were poignant and witty."