English Reference
Interjection

aha

interj.
B2 Upper Intermediate US /ˌɑˈhɑ/ UK /ɑːhˈɑː/ aha Medicine

interj.a sound you make when you suddenly understand something or find the answer to a problem. You use it to show you are surprised or happy about a new discovery.

interj.an exclamation used to express sudden realization, triumph, or discovery. Often used when a previously hidden truth or solution becomes apparent.


SIMPLE

Aha! I finally found where I left my keys.

CONTEXTUAL

Aha! So you were the one who ate the last piece of cake after all.

COMPLEX

The detective stared at the ledger for hours until, with a sudden 'Aha!', he realized the dates had been falsified to hide the missing funds.

Usage

Used as a standalone exclamation or to introduce a sentence; typically followed by a comma or an exclamation mark.

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated