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• ha
  ha

  interjection

  (used as an exclamation of surprise, interrogation, suspicion, triumph, etc.)
• ḥā
  ḥā

  noun

  the sixth letter of the Arabic alphabet, representing a pharyngeal spirant consonant.
• hā
  hā

  noun

  the 26th letter of the Arabic alphabet, representing a glottal spirant consonant sound.
• Ha
  Ha

  hahnium.
• h.a.
  h.a.

  abbreviation

  high angle.

ha

¹ American  

[hah] / hɑ /

Or hah

interjection

1. (used as an exclamation of surprise, interrogation, suspicion, triumph, etc.)

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ha ² American  

abbreviation

1. hectare; hectares.

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ḥā ³ American  

[khah] / xɑ /

noun

1. the sixth letter of the Arabic alphabet, representing a pharyngeal spirant consonant.

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hā ⁴ American  

[hah] / hɑ /

noun

1. the 26th letter of the Arabic alphabet, representing a glottal spirant consonant sound.

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Ha ⁵ American  

Symbol, Chemistry, Physics.

1. hahnium.

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h.a. ⁶ American  

abbreviation

1. Gunnery. high angle.

2. in this year.

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ha ¹ British  

/ hɑː /

interjection

1. an exclamation expressing derision, triumph, surprise, etc, according to the intonation of the speaker

2. (reiterated) a representation of the sound of laughter

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Ha ² British  

abbreviation

1. Hawaii

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ha ³ British  

symbol

1. hectare

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h.a. ⁴ British  

abbreviation

1. hoc anno

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Etymology

Origin of ha¹

Middle English word dating back to 1250–1300; see origin at ha-ha ¹

Origin of ḥā³

From Arabic

Origin of hā⁴

From Arabic

Origin of h.a.⁶

h.a. ( def. 2 ) < Latin hōc annō

Example Sentences

See Examples For:

ha hā Ha

Julia Masli, the comic behind the captivatingly bizarre “ha ha ha ha ha ha ha,” may be from Estonia, but in clown genealogy she is a close relation to Andy Kaufman’s Latka.

From Los Angeles Times ● Oct. 21, 2025

“They’re not going to do that again. Ha ha ha ha.”

From Barron's ● Oct. 8, 2025

"Americans are free to express any opinion we want. To suggest otherwise is laughable. Ha ha ha."

From BBC ● Sep. 19, 2025

We need less "how dare they" and more "ha ha people who give in are sad bootlickers."

From Salon ● Nov. 22, 2024

"Ha ha," they both said, and turned the corners of their mouths up very slightly.

From "All About Sam" by Lois Lowry

Hey, hā, interj. expressive of joy or interrogation.—interj.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various

Hay, hā, n. grass cut down and dried for fodder.—ns.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various

Hay, hā, n. a country-dance with winding movement.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various

While World Models have conceptually been around for decades, one inspiration for this work was an influential paper published in 2018 by David Ha and Jurgen Schmidhuber, external.

From BBC ● Jul. 2, 2026

"We analyzed the star for a large swath of elements, and the abundances are quite low for all of them," said Ha Do, another student on the team.

From Science Daily ● Apr. 4, 2026

“Major airports are experiencing days where 40% to 50% of their staff are calling out,” Ha Nguyen McNeill, acting head of TSA, testified Wednesday.

From The Wall Street Journal ● Mar. 26, 2026

Acting TSA Administrator Ha Nguyen McNeill told Congress on Wednesday that more than 61,000 TSA employees are required to work without pay during the now 41-day shutdown.

From Barron's ● Mar. 26, 2026

The regular, please Thank you, but I’m about to burst I’m not sure, but it’s late Ha ha ha!

From "Extremely Loud and Incredibly Close" by Jonathan Safran Foer