Missing Hyphen

Hyphens are commonly used as part of an adjective phrase, in numbers, and as prefixes.

Hyphens with Adjectives

A hyphen should be used to join two or more words if they are acting as a single adjective. For example:

Hyphens with Numbers

A hyphen should be used in fractions and in the numbers twenty-one and above. For example:

Hyphens with Prefixes

A prefix is a syllable or word added to the beginning of another word to change its meaning. The prefixes self-, ex-, and great- always require a hyphen when they are added to words. For example: