ˌse-mē,
-ˌmī,
-mi
1
a
: precisely half of:
(1)
: forming a bisection of
semidiameter
(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-
2
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
Richard Sutcliffe, New York Times, 7 Oct. 2025
These faux linen drapes from NiceTown build on the versatility of semi-sheers with 16 color choices and both rod pocket and back tab installation options.
—Shoko Wanger, Architectural Digest, 6 Oct. 2025
Roach has recently returned to the styling ranks after a two-year semi-retirement.
—Rhonda Richford, Footwear News, 30 Sep. 2025
And that could have an impact on the race between Washington and Beijing to dominate future-shaping industries such as AI, quantum computing, semi-conductors, biotech and intelligent military hardware.
—Simone McCarthy, CNN Money, 29 Sep. 2025
See All Example Sentences for semi
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Noun
Of course, this being England, heartache lay ahead in penalties against Germany in the semi-finals.
—Richard Sutcliffe, New York Times, 7 Oct. 2025
These faux linen drapes from NiceTown build on the versatility of semi-sheers with 16 color choices and both rod pocket and back tab installation options.
—Shoko Wanger, Architectural Digest, 6 Oct. 2025
Roach has recently returned to the styling ranks after a two-year semi-retirement.
—Rhonda Richford, Footwear News, 30 Sep. 2025
And that could have an impact on the race between Washington and Beijing to dominate future-shaping industries such as AI, quantum computing, semi-conductors, biotech and intelligent military hardware.
—Simone McCarthy, CNN Money, 29 Sep. 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 8 Oct. 2025.
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