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ha

interjection

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\ ˈhä

variants: or hah

Definition of ha

(Entry 1 of 3)

—used especially to express surprise, joy, or triumph

abbreviation (1)

Definition of ha (Entry 2 of 3)

hectare

abbreviation (2)

Definition of HA (Entry 3 of 3)

1 hemagglutinin Different circulating influenza A viruses are identified by referring to two signature proteins on their surfaces. One is hemagglutinin (HA), which has at least 15 known variants, or subtypes.— Jeffery K. Taubenberger et al.

2 hour angle

Synonyms Example Sentences Learn More about ha

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Synonyms for ha

Synonyms: Interjection

glory
(or glory be),
hallelujah,
hey,
hooray
(also hurrah or hurray),
hot dog,
huzzah,
wahoo
[chiefly West],
whee,
whoopee,
yahoo,
yippee

Examples of ha in a Sentence

Interjection ha! I was right all along!

Recent Examples on the Web: Interjection Estamos pidiéndoles a las familias o a los amigos que nos ayuden a identificar a cada Utahn que ha muerto de la coronavirus. — The Salt Lake Tribune, "Help The Tribune tell the stories of Utahns who have died from COVID-19," 4 Dec. 2020 De Laura went 18 of 33 for 227 yards with two touchdowns and an interception and ha eight carries for 43 yards and a score to lead Washington State to a 38-28 upset at Oregon State last week. — oregonlive, "Oregon Ducks not viewing Washington State QB Jayden de Laura as a freshman: ‘He can hurt you in every way’," 12 Nov. 2020 Ha ha, no, not at all—although my red running shoes may have been guilty of a fashion crime. — Laird Borrelli-persson, Vogue, "Corey ‘Sunglasses at Night’ Hart on Balenciaga, Orwell, and the 1980s," 28 Oct. 2020 At the end of a long, cold Texas winter (ha), is there anything better than seeing the bluebonnets start to poke out of the ground? — Abigail Rosenthal, Chron, "Opinion: Texas is actually very good, no matter what the haters say," 27 Oct. 2020 Ha, ha, his hand goes down pantsings for two seconds! — Kyle Smith, National Review, "Borat Make No Funny in MovieFilm Second," 22 Oct. 2020 Meanwhile, although Washington ha turned to Allen as its starter, Rivera says his staff hopes a step back will allow for Haskins to better process the system and mature. — Mike Jones, USA TODAY, "Opinion: Now NFL's laughingstock, NFC East facing perfect storm of challenges in 2020," 9 Oct. 2020 Through his first four starts, Bauer ha d given up a total of two runs over 26 1/3 innings. — Steve Megargee, Star Tribune, "Smoak, Brewers snap 4-game skid, beat Bauer, Reds 4-2," 24 Aug. 2020 Some notes (ha): David’s hands-on look at the new Samsung Galaxy Note 8. — Michael Calore, WIRED, "Note to Self," 25 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ha.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Dictionary Entries near ha

H2O

ha'penny

HA1c

Statistics for ha

Last Updated

30 Jan 2021

Cite this Entry

“Ha.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ha. Accessed 26 Feb. 2021.

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More Definitions for ha

interjection

English Language Learners Definition of ha

—used especially to express surprise or a feeling of pleasure that you have when you do something or find out about something

See the full definition for ha in the English Language Learners Dictionary

interjection

variants: or hah \ ˈhä \

Kids Definition of ha

—used to show surprise or joy

abbreviation

Medical Definition of HA

hemagglutinin Seasonal strains … evade our immune systems after vaccination or previous infection by constantly changing the structure of their hemagglutinin (HA) surface protein.— Charles J. Russell, The New England Journal of Medicine, 20 Oct. 2011

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