hypo

UK/ˈhaɪ.pəʊ/US/ˈhaɪ.poʊ/

hypo noun: melancholy; a fit of hypochondria; a morbid depression.

Noun

hypo (countable and uncountable, plural hypos)

(obsolete) Melancholy; a fit of hypochondria; a morbid depression.
- 1711 "I have a better Stomach tha usuall and have perfectly forgot what the Hyppo means",Joseph Collett, merchant, writing from Rio de Janeiro, Oct 15, 1711, in his Private Letter Books, edited by H. H. Dodwell in 1933. (cited by Eric Partidge, A Dictionary of Slang and Unconventinoal English
- 1837 Abraham Lincoln: Tell your sister I dont want to hear any more about selling out and moving. That gives me the hypo whenever I think of it. (Letter to Mary S. Owens, May 7. 1837, Collected Works of Abraham Lincoln. Volume 1.
(slang) A hypochondriac.
- Certainly no one can accuse a bunch of hypos of lying dormant during the noon-hour. The activity, inside and out, is simply terrific. To us, personally, by far the most interesting group of hypochondriacs in attendance at this particular emporium […]1953, General Motors Acceptance Corporation, General Exchange Insurance Corporation, Motors Insurance Corporation, News and Views, page 30
(informal) Sodium thiosulfate (also called hyposulfite of soda), a photographic fixing agent.
(slang) A hypoglycaemia attack in a person with diabetes.
(slang) A hypodermic syringe or injection.
(UK, slang) Hypothecation.
(informal) A hypothetical case.
(informal) A hypomelanistic snake.

hypo (third-person singular simple present hypos, present participle hypoing, simple past and past participle hypoed)

(intransitive, slang) To have a hypoglycaemia attack.
- My top lip tingles, and I'm clearly hypoing but I don't know what my sugar level is, it was 9.8 when I went to bed, which is fine. I've hypoed a lot lately.2019, Charlotte Bates, quoting Alice, Vital Bodies: Living with Illness, Bristol: Policy Press, →ISBN, page unknown
(transitive) To administer a hypodermic injection to.
- Bacterium and virus count—as usual. Lots of it. Apparently not too dangerous. Not with every single soul hypoed and immunized and hormoned to his eyebrows.1956, Clifford Simak, Strangers in the Universe, New York: Simon and Schuster, page 113
(figuratively, transitive) To stimulate or boost, as if by administering a hypodermic injection. (Compare hype.)
- Stations across the country hypoed the Beatle excitement with offers of fan club cards, free records. Beatle contests of all sorts, and a continual push on the Capitol, Swan, Vee Jay and MGM releases by the group.1964 February 29, Jack Maher, “Beatles Bug As They Command Air”, in Billboard, volume 76, number 9, page 8
(transitive) To stimulate or boost (the economy) by the injection of cash, such as with quantitative easing
- In the last three peacetime years before the Vietnam War expenditures began to hypo the economy, 1961, 1962, and 1963, unemployment in those years averaged six percent.1971, Congressional Quarterly Weekly Report, volume 29, page 1727

அளவு குறைந்த, பற்றாக்குறை, கீழ், குறைந்த, ஹைப்போ

ಕೆಳಗಿನ, ಕಿರಿದಾದ, ಕಡಿಮೆಯ

Noun
plural	hypos
Verb
third-person singular present	hypos
present participle	hypoing
past participle	hypoed
past	hypoed

Clipping of various terms beginning with hypo-, from Ancient Greek ὑπό (hupó, “under”).

What does hypo mean?: Hypo means melancholy; a fit of hypochondria; a morbid depression.
What is hypo in Tamil?: Hypo in Tamil is அளவு குறைந்த, பற்றாக்குறை, கீழ். See Hypo meaning in Tamil.
What part of speech is hypo?: Hypo can be a noun or a verb.
How do you pronounce hypo?: Hypo is pronounced /ˈhaɪ.pəʊ/ (UK).
What is the plural of hypo?: The plural of hypo is hypos.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-hypo.ogg.

Cite this entry: “hypo.” Word.ws, https://word.ws/hypo. Based on Wiktionary, CC BY-SA 4.0.