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
Todd Boss, Forbes, 21 Oct. 2024
The lone driver of that semi was removed with only minor injuries, according to Rice.
—Karen Bartunek, The Arizona Republic, 19 Oct. 2024
My 28-year-old son was killed by a semi in a hit-and-run.
—Jeanne Phillips, The Mercury News, 7 Oct. 2024
The semi entered the median and overturned, causing a small fire to start.
—Saleen Martin, USA TODAY, 10 Oct. 2024
See all Example Sentences for semi 
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Noun
In the second semi, the #2 & #3 seeds played to a dead heat after twelve matches, tied up 6-6, forcing a one game tiebreaker to determine the finalist.
—Todd Boss, Forbes, 21 Oct. 2024
The lone driver of that semi was removed with only minor injuries, according to Rice.
—Karen Bartunek, The Arizona Republic, 19 Oct. 2024
My 28-year-old son was killed by a semi in a hit-and-run.
—Jeanne Phillips, The Mercury News, 7 Oct. 2024
The semi entered the median and overturned, causing a small fire to start.
—Saleen Martin, USA TODAY, 10 Oct. 2024
See all Example Sentences for semi
Dictionary Entries Near semi
Cite this Entry
“Semi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/semi. Accessed 17 Nov. 2024.
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