Nouns can be used as modifiers of other nouns. Common collocations such as "high school" and "labor market" are not hyphenated. Adjectives (including participles) combined to form a compound word are generally hyphenated: a self-correcting mechanism a well-intentioned remark a baby-blue satin dress generally-accepted principles
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.