1
: having some resemblance usually by possession of certain attributes
a quasi corporation
2
: having a legal status only by operation or construction of law and without reference to intent
a quasi contract

quasi-

2 of 2

combining form

1
: in some sense or degree
quasiperiodic
quasi-judicial
2
: resembling in some degree
quasiparticle

Examples of quasi in a Sentence

Adjective And as more people adopt these teachings as quasi religions, some adherents say their belief systems are no less valid than those based on that older collection of maxims, the Ten Commandments. —Daniel McGinn, Newsweek, 10 Jan. 2000
But also, bachelors, more than married people, blended the two spheres by making their public, non-familial peer group and other associations into quasi families and by carrying on their personal affairs in mostly public or semipublic places such as boardinghouses, saloons, the streets, clubhouses, and the like. —Howard P. Chudacoff, The Age of the Bachelor, 1999
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Marlow says around 75 percent of Flock law enforcement customers have opted to share their data with participating agencies across the nation, effectively creating a quasi-national database that authorities can use to track the movement of vehicles. — Greg Rosalsky, NPR, 2 Oct. 2026 DeStefano kicked into a quasi-rock groove on acoustic guitar, and the guys launched into a chorus about shaking off uncontrollable hassles and restoring positivity. — Tom Roland, Billboard, 2 Oct. 2026 In my view, a multinational AI task force of government and private sector experts from a range of disciplines would be more prudent than creating an AI Force, a quasi-military entity that would institutionalize AI’s worst impulses. — Jason M. Blazakis, The Conversation, 28 Sep. 2026 Donovan, who got her start on the cult series Blossom and broke out as the preppy, quasi-antagonist Amber in Clueless, arrived late on the 90210 game. — Ryan Coleman, Entertainment Weekly, 23 Sep. 2026 See All Example Sentences for quasi

Word History

Etymology

Adjective

quasi-

Combining form

Latin quasi as if, as it were, approximately, from quam as + si if — more at quantity, so

First Known Use

Adjective

1632, in the meaning defined at sense 1

Time Traveler
The first known use of quasi was in 1632

Browse Nearby Words

Cite this Entry

“Quasi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quasi. Accessed 4 Oct. 2026.

Kids Definition

quasi-

combining form
qua·​si-
ˈkwā-ˌzī, 
-ˌsī;
ˈkwäz-ē, 
ˈkwäs-
: in some sense or degree
quasi-historical
quasi-officially
Etymology

Combining form

from Latin quasi "as if"

Legal Definition

: having such a resemblance to another thing as to fall within its general category
a quasi corporation

quasi

2 of 2 adverb
: in some significant sense or degree
—often used in combination
quasi-fiscal
see also quasi-judicial, quasi-legislative
Etymology

Adjective

Latin, as if, as it were, from quam as + si if

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