There are 2 definitions of aha in English:

aha

Line breaks: aha
Pronunciation: /əˈhɑː
 
, ɑːˈhɑː
 
/

exclamation

Used to express satisfaction, triumph, or surprise: Aha! So that’s your secret plan!
More example sentences
  • I searched my handbag ‘It's in here somewhere, never fails aha!’
  • We went through a few rounds of this, until eventually - aha!
  • I traced the 10 foot lead of my headphones to their plug - aha!

Origin

Middle English: from ah + ha1.

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Word of the day conspicuous
Pronunciation: kənˈspikyo͞oəs
adjective
standing out so as to be clearly visible

There are 2 definitions of aha in English:

AHA

Line breaks: AHA

abbreviation

Alpha-hydroxy acid.

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Word of the day conspicuous
Pronunciation: kənˈspikyo͞oəs
adjective
standing out so as to be clearly visible