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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

Local media report that Orla Wates, 19, was travelling the Ha Giang Loop in northern Vietnam when she fell from the back of a motorcycle.

From BBC • Apr. 7, 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

Acting TSA Administrator Ha Nguyen McNeill told Congress on Wednesday that more than 61,000 TSA employees have been required to work without pay.

From Barron's • Mar. 26, 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

I repeat, Ha, and wish I knew enough English to tell her to listen for the diacritical mark, this one directing the tone downward.

From "Inside Out and Back Again" by Thanhha Lai