Semi - (prefix) Half or partly
(Pronounced seh-mee)
Note: A hyphen after semi shows that it is a prefix and not a word that stands on its own.
To remember the definition of the word semi, use the following mnemonic:
The seminar (semi) was very boring - half the audience were already asleep or partially awake.
Examples of semi (prefix) in a sentence
Although she was very skilled at painting, she was only semi-professional.
The semi-retired athlete still competed in fun runs for charity.
She was only semi-conscious after the car crash, but managed to call an ambulance.
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