Should Adjectival Phrases Be Hyphenated?

Generally, you need the hyphen only if the two words are functioning together as an adjective before the noun they're describing. If the noun comes first, leave the hyphen out. ... You also don't need a hyphen when your modifier is made up of an adverb and an adjective.

When should a hyphen be used?

Generally, hyphenate two or more words when they come before a noun they modify and act as a single idea. This is called a compound adjective. When a compound adjective follows a noun, a hyphen is usually not necessary.

What is a hyphenated adjective called?

A compound modifier (also called a compound adjective, phrasal adjective, or adjectival phrase) is a compound of two or more attributive words: that is, two or more words that collectively modify a noun.