1.
fear resulting from the awareness of danger
2.
a device that signals the occurrence of some undesirable event
3.
an automatic signal (usually a sound) warning of danger
4.
a clock that wakes sleeper at preset time
'alarm' - used as a verb
5.
fill with apprehension or alarm; cause to be unpleasantly surprised
6.
warn or arouse to a sense of danger or call to a state of preparedness
The empty house alarmed him
derived forms
1. Alarm / Plural
alarms
2. Alarm / Past
alarmed
3. Alarm / Third Person
alarms
4. Alarm / Present Participle
alarming
The following are synonyms for 'alarm'. Click on any of them to get both Bibliodata's full list of common definitions and a further set of synonyms.
When the First Lady, Eleanor Roosevelt, received an alarming number of threatening letters, soon after her husband became President at the height of the Depression, the Secret Service insisted that she carry a pistol in her purse.