To surprise with apprehension of danger; to fill with anxiety in regard to threatening evil; to excite with sudden fear.
To give (someone) notice of approaching danger
To rouse to vigilance and action; to put on the alert.
To call to arms for defense
To keep in excitement; to disturb.
An instance of an alarm ringing, beeping or clanging, to give a noise signal at a certain time.
A mechanical device for awaking people, or rousing their attention.
A sudden attack; disturbance.
Any sound or information intended to give notice of approaching danger; a warning sound to arouse attention; a warning of danger.
A summons to arms, as on the approach of an enemy.
Sudden surprise with fear or terror excited by apprehension of danger; in the military use, commonly, sudden apprehension of being attacked by surprise.
To worry; to be anxious.
In weaker sense: to bother or inconvenience.
To mentally distress; to cause (someone) to be anxious or perplexed.
To take pains to do something.
A difficulty, problem, condition, or action contributing to such a situation.
A fault or interruption in a stratum.
A malfunction.
A violent occurrence or event.
Efforts taken or expended, typically beyond the normal required.
Liability to punishment; conflict with authority.
Wife. Clipping of trouble and strife.
A distressing or dangerous situation.