Meanings
mo1
- not comparableobsoleteTo a greater degree.
When he had ſaied no: what (ſaid Ariſtippus) is it ſhame to ſaile in a Shippe, that hath afoꝛetymes caried a great nomber mo: […]
1564 February, Erasmus, “The Saiynges of Aristippus”, in Nicolas Udall [i.e., Nicholas Udall], transl., Apophthegmes, that is to Saie, Prompte, Quicke, Wittie and Sentẽcious Saiynges, […], London: […] Ihon Kingston, →OCLC, book I, folio 43, verso, paragraph 42
- archaicdialectalnot comparableGreater in amount, quantity, or number (of discrete objects, as opposed to more, which was applied to substances)
Nether durste eny man from that daye forth axe hym eny moo questions.
1526, [William Tyndale, transl.], The Newe Testamẽt […] (Tyndale Bible), [Worms, Germany: Peter Schöffer], →OCLC, Matthew xxij1 more example
With that ran there a route of ratones at ones, And smale mys myd hem, mo then a thousande
c. 1380, William Langland, Piers Plowman
mo2
- month
12 yr 4 mo 17 d
mo3
- abbreviationclippingcolloquialuncountableClipping of moment.
Hang on a mo!
Synonyms: bit, sec, tick, bat of an eye, bit, blink of an eye, crack, eyeblink
mo4
mo5
- alternativedialectalnot comparableAfrican-American VernacularAlternative form of mo' (“more”).
Yo, you got mo chips?
1 more example
I guess this mean mo money, mo problems for you?
1997, “Mo Money Mo Problems”, in Life After Death, performed by The Notorious B.I.G. ft. Ma$e and Diddy
mo6
mo7
plural mos
- slangA molester.
The Idaho prison is full of cho-mos (child molesters), mos (molesters), and all types of sexual predators that have engaged in some type of abnormal sexual acts.
2018, James Kühnel, Carceration State
mo8
plural mos
- slangA moron.
Hey, you mo! Hey, you mo! Hey, you mo! Hey, you mo!
1997, “Detox”, in City, performed by Strapping Young Lad
mo9
- The cardinal number occurring after el gro el do el (↋↋↋) and before mo one (1001) in a duodecimal system. Written 1000, decimal value 1728.
MO10
- abbreviationAbbreviation of Missouri: a state of the United States.
- abbreviationbusinessAbbreviation of Philip Morris Companies, now Altria Group.
- JudaismabbreviationinitialismInitialism of Modern Orthodox.
plural MOs
- abbreviationcountableinitialismuncountableInitialism of modus operandi.
The Big Man is everywhere. He knows my M.O.!!!!
1981, James Ellroy, Brown's Requiem, page 2071 more example
This was her apartment, I gathered, and he was living here. That was his MO. He would leech onto some girl and eventually move into her home.
2022, Ling Ma, “Oranges”, in Bliss Montage, New York: Farrar, Straus and Giroux, →ISBN - abbreviationcountableinitialismuncountablebankingInitialism of money order.
- abbreviationcountableinitialismuncountablechemistryInitialism of molecular orbital.
- abbreviationinitialismnot comparabledentistryInitialism of mesio-occlusal.
- abbreviationinitialismnot comparablecomputingInitialism of magnetooptical.
Mo11
- A diminutive of the male given names Mohammed, Moses, Maurice, Morris, Moritz, and Mortimer.
- A diminutive of the female given names Marjorie, Maureen, Moira, and Monica.
Mo12
- A surname from Chinese.
Mo13
- abbreviationclippingslangClipping of Moët.
Watch when I see you, I miss you a lot, yo / How about a nightcap, maybe a bottle of Mo'?
2003, “Let Me Watch”, in Vaudeville Villain, performed by Viktor Vaughn ft. Apani B. Fly
Synonyms & antonyms
More synonyms by meaning
nouna polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
mo · adverb, adjective
- Proto-Indo-European*meh₂-
- Proto-Germanic*maiz
- Old Englishmā
- Middle Englishmo
- Englishmo
From Middle English mo, from Old English mā, from Proto-Germanic *maiz, from a comparative form of Proto-Indo-European *meh₂-. Cognate with Swedish mer, Danish mer; and with Irish mó, Albanian më. See also more, most.
More words from Middle English, Old English, Proto-Germanic
Full word history & related roots →mo · adjective
Non-rhotic pronunciation of more. Only coincidentally similar to sense 1 above. Compare fo' (“for; four”), ho (“whore”).
Full word history & related roots →Rhymes & wordplay
Rhymes with mo
All rhymes →Sounds the same
Cite this entry
mo. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mo
“mo.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mo. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “mo,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mo.
Source: mo on Wiktionary, CC BY-SA 4.0.