1
: feeling a sense of danger : urgently worried, concerned, or frightened
I was alarmed to see how sick she looked.
And what followed was not a miracle but a … model of how tough government, cooperative businessmen and a very alarmed public can make a dirty world clean again.—William Oscar Johnson
2
: equipped with an alarm
an alarmed door
Most exits were locked and alarmed, and employees had to show ID badges when they entered lab buildings.—Jennifer Nagorka
Cite this Entry
“Alarmed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alarmed. Accessed 6 Aug. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
