Hyphenation!
Use a hyphen in the following situations:
Use hyphens to connect the words of a compound modifier that appears before a noun:
Use hyphens to connect the words of a phrase that acts as a modifier and appears before the noun it is modifying:
Use a hyphen when attaching a prefix such as: neo / pre / post / anti / pro / mid
Do NOT use a hyphen to connect a compound modifier following a noun! The correct example below does not have a hyphen.
Do NOT use a hyphen to connect the words in a compound modifier if the first word ends in –ly (usually an adverb). The correct example below does not have a hyphen.