Alarm vs Terrify

When to use each in English, with meaning, register, and examples.

Alarm

Top 1,000 (very common) B1 noun

Terrify

Top 3,000 (common) B2 verb

Most common: Alarm

	Alarm	Terrify
Pronunciation	🇬🇧 /["/əˈlɑːm/"]/ 🇺🇸 /["/əˈlɑːrm/"]/	🇬🇧 /["/ˈterɪfaɪ/","/ˈterɪfaɪz/","/ˈterɪfaɪd/","/ˈterɪfaɪɪŋ/"]/ 🇺🇸 /["/ˈterɪfaɪ/","/ˈterɪfaɪz/","/ˈterɪfaɪd/","/ˈterɪfaɪɪŋ/"]/
Meaning	A loud noise to wake you up or warn you.	To make someone very scared.
Example	I set my alarm for 6 AM to wake up early for my workout.	Flying terrifies her.
Register	Neutral	Neutral
How common	Top 1,000 (very common)	Top 3,000 (common)
CEFR level	B1	B2
Part of speech	noun	verb
Collocations	false, give, raise, sound, call, fire, smoke, burglar, set, activate, set off, go off, ring, sound, bell, clock, system, considerable, great, growing, cause, create, provoke, in alarm, to somebody’s alarm, with alarm, cause for alarm	terrify a child, terrify someone, terrify with a story
Antonyms	calm, peace	calm, comfort, reassure
Common mistakes	Using 'alarmed' incorrectly as a noun instead of the sound., Confusing 'alarm' with 'alert' in emergency contexts., 'Alarm' can be thought of as both a sound and a noun, varying its usage.	Confused with 'scare' which is more casual., Wrongly used in passive voice without context (e.g., 'was terrified them')., Using it in past tense incorrectly without context (e.g., 'terrifed').
Usage notes	Use 'alarm' when referring to a sound that alerts someone. It's commonly used for morning wake-ups or emergency situations. Avoid using 'alarm' in very casual contexts unless it refers to a clock.	Use 'terrify' when describing extreme fear. It's appropriate for storytelling or describing scary situations but less common in casual conversation. Avoid using with light-hearted topics.

See it in real clips

I mean, it was like an alarm went off in my head, you know?

Where's the alarm guy?

I mean, it was like an alarm went off in my head, you know?

Where's the alarm guy?

Alarm

Frequently asked questions: Alarm vs Terrify

What's the difference between Alarm and Terrify?

Alarm: A loud noise to wake you up or warn you. Terrify: To make someone very scared.

Which is more common: Alarm and Terrify?

Alarm is the most common in everyday English.

Which is more advanced: Alarm and Terrify?

Terrify is the highest level, at B2, on the CEFR scale.

Are Alarm and Terrify the same CEFR level?

Alarm: B1, Terrify: B2 on the CEFR scale.

What part of speech are Alarm and Terrify?

Alarm: noun, Terrify: verb.

Can you show an example of each?

Alarm: I set my alarm for 6 AM to wake up early for my workout. Terrify: Flying terrifies her.

Can I use Alarm and Terrify interchangeably?

Not always. Alarm and Terrify are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.