ha

or hah

[ hah ]
/ hɑ /

interjection

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

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Origin of ha

Middle English word dating back to 1250–1300; see origin at ha-ha1

Definition for ha (2 of 6)

ha

abbreviation

hectare; hectares.

Definition for ha (3 of 6)

Ha

Symbol, Chemistry, Physics.

Definition for ha (4 of 6)

[ hah ]
/ hɑ /

noun

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

Origin of

From Arabic

Definition for ha (5 of 6)

ḥā
[ khah ]
/ xɑ /

noun

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

Origin of ḥā

From Arabic

Definition for ha (6 of 6)

h.a.

Gunnery. high angle.
in this year.

Origin of h.a.

(def. 2) <Latin hōc annō
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for ha (1 of 4)

ha1

hah

/ (hɑː) /

interjection

an exclamation expressing derision, triumph, surprise, etc, according to the intonation of the speaker
(reiterated) a representation of the sound of laughter

British Dictionary definitions for ha (2 of 4)

ha2

symbol for

hectare

British Dictionary definitions for ha (3 of 4)

Ha

abbreviation for

Hawaii

British Dictionary definitions for ha (4 of 4)

h.a.

abbreviation for

hoc anno

Word Origin for h.a.

Latin: in this year
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012