2. (v. t.) To disturb; to perplex; to afflict; to distress; to grieve; to fret; to annoy; to vex.
3. (v. t.) To give occasion for labor to; -- used in polite phraseology; as, I will not trouble you to deliver the letter.
4. (a.) Troubled; dark; gloomy.
5. (n.) The state of being troubled; disturbance; agitation; uneasiness; vexation; calamity.
6. (v. t.) That which gives disturbance, annoyance, or vexation; that which afflicts.
7. (n.) A fault or interruption in a stratum.