ˌse-mē,
-ˌmī,
-mi
1
a
: precisely half of:
(1)
: forming a bisection of
semicircle
(2)
: being a usually vertically bisected form of (a specified architectural feature)
semidome
b
: half in quantity or value : half of or occurring halfway through a specified period of time
semiannual
semimonthly
compare bi-
3
a
: partial : incomplete
semiconsciousness
semidarkness
b
: having some of the characteristics of
semiporcelain
c
: quasi-
semigovernmental
semimonastic
Examples of semi in a Sentence
Recent Examples on the Web
Jennifer Edwards Baker, Cincinnati Enquirer, 3 Nov. 2025
But more significantly, that Toews is even back in the league at 37, after two years of semi-retirement, is a gift to the hockey world.
—Mark Lazerus, New York Times, 31 Oct. 2025
Upon arriving, first responders learned that a pickup truck struck a semi-trailer as the semi-trailer was leaving a business and turning onto State Street.
—David Chiu, PEOPLE, 30 Oct. 2025
The doors would then close with guests standing in a semi-circle as the president moved around the group, greeting each person.
—Ashley J. Dimella, FOXNews.com, 25 Oct. 2025
See All Example Sentences for semi
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Noun
Police said a semi was southbound when the driver disregarded a red light and hit Yeary’s vehicle in the intersection.
—Jennifer Edwards Baker, Cincinnati Enquirer, 3 Nov. 2025
But more significantly, that Toews is even back in the league at 37, after two years of semi-retirement, is a gift to the hockey world.
—Mark Lazerus, New York Times, 31 Oct. 2025
Upon arriving, first responders learned that a pickup truck struck a semi-trailer as the semi-trailer was leaving a business and turning onto State Street.
—David Chiu, PEOPLE, 30 Oct. 2025
The doors would then close with guests standing in a semi-circle as the president moved around the group, greeting each person.
—Ashley J. Dimella, FOXNews.com, 25 Oct. 2025
See All Example Sentences for semi
Cite this Entry
“Semi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/semi. Accessed 6 Nov. 2025.
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