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.