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Origin and Etymology of semi
short for semidetached
First Known Use of semi
1942
Other Automotive Terms
First Known Use of semi
1942
semi-
prefix
\
ˌse-mē
,
-ˌmī
,
-mi
\
Definition of semi-
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
3 a
: partial : incomplete
- semiconsciousness
- semidarkness
b
: having some of the characteristics of
- semiporcelain
c
: quasi-
- semigovernmental
- semimonastic
Origin and Etymology of semi-
Middle English, from Latin; akin to Old High German sāmi- half, Greek hēmi-
SEMI Defined for English Language Learners
semi-
Definition of semi- for English Language Learners
-
: half
-
: happening twice during a particular period of time
-
: partly : not completely
SEMI Defined for Kids
semi-
Definition of semi- for Students
1
: half
- semicircle
2
: partly : not completely
3
: partial
Learn More about semi
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See words that rhyme with semi Nglish: Translation of semi for Spanish speakers Britannica English: Translation of semi for Arabic speakers
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