What are hyphens?
Hyphens are mainly used to join words together. It looks like a dash, but is half the length.
There are a number of uses for a hyphen:
Compound Words
Some compound words require a hyphen. Compound words are made by joining words together.
Compound Nouns
water-wheel
mix-up
great-aunt
Compound Adjectives
sky-blue
fair-haired
bad-tempered
time-saving
full-length
Writing numbers
Use a hyphen between the tens and units
when writing numbers from twenty-one to ninety-nine.
Sixty-six
Three-quarters
Twenty-five
After a prefix
Pre-school
Ex-army
Multi-storey
Avoiding Confusion
Without the hyphen, the meaning of the word can change entirely.
a man eating tiger
a man-eating tiger
Sometimes words can be spelt the same way, but have very different meanings. These are called homographs.
Re-cover
Recover
Redress
Re-dress
Re-creation
Recreation
If in doubt, use a dictionary!