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
Madison Sawyer, CBS News, 12 May 2026
That and a run to the Champions League semi-finals in RedBird’s first year has been all too quickly forgotten (in part because Inter got to the final at their expense).
—James Horncastle, New York Times, 12 May 2026
La Gomera’s contrasts between semi-desert and cloud forest make for steep, varied days.
—Hanna Wickes, Kansas City Star, 11 May 2026
His political ads feature him behind the wheel of a rig, and his yard signs have a logo of an American flag in the shape of a semi.
—Max Blau, ProPublica, 11 May 2026
See All Example Sentences for semi
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.
Noun
Tickets for the semi-finals and the championship are available on the Cowtown Coliseum's website.
—Madison Sawyer, CBS News, 12 May 2026
That and a run to the Champions League semi-finals in RedBird’s first year has been all too quickly forgotten (in part because Inter got to the final at their expense).
—James Horncastle, New York Times, 12 May 2026
La Gomera’s contrasts between semi-desert and cloud forest make for steep, varied days.
—Hanna Wickes, Kansas City Star, 11 May 2026
His political ads feature him behind the wheel of a rig, and his yard signs have a logo of an American flag in the shape of a semi.
—Max Blau, ProPublica, 11 May 2026
See All Example Sentences for semi
Cite this Entry
“Semi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/semi. Accessed 14 May. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
