Intermediate (B1)
IPA: /əˈfaɪər/
KK: /əˈfaɪər/
Definition
In a state of burning or being on fire; also describes a feeling of intense excitement or energy.
Example
The house was afire, and the flames could be seen from miles away.
Conversation

Did you see how afire the crowd was during the concert last night?

Absolutely! The energy was incredible, everyone was dancing.

I love when the atmosphere gets that afire with excitement.

Me too! It makes the experience so much more memorable.
Synonyms & Antonyms
Definition
In a state of burning; on fire.
Example
The building was afire, and the firefighters rushed to extinguish the flames.
Conversation

Have you seen how afire she is about that new project?

Absolutely! She's really passionate about it.

I know, it's great to see someone so afire with enthusiasm.
Root Explanation
Afire is formed from the prefix "a-" (meaning on or in) and "fire" (from Old English "fyr", meaning fire). The word "afire" means to be on fire or in flames.
Memory Tip
Imagine something that is 'on' ('a-') 'fire' — that's how you remember that afire means to be in flames.
Visually Confused Words
fire
aire
unafire
marfire
vaire
maire
kafir
haire