Hyphen With Compound Expressions

A compound expression is two words which are put together to make a new adjective, and is in common use. These two words should be hyphenated to clarify the intent of the new meaning, but the intention would still be understood if the hyphen were removed as the expressions are so familiar. Some examples of compound expressions are time-sensitive, long-lasting, and life-long.

The small child was sitting on the sofa with his filthy, ratty, ever-present blanket.

One must be self-motivated in order to be a good student.

It’s a really bad idea to drive the wrong way on a one-way street.

This teddy bear has obviously been much-loved, as it’s falling apart at the seams.

Despite being less than 20 years old, this author is on his way to becoming well-known.