Some words that contain other prefixes have hyphens, but these will occur on an individual basis rather than as a hard and fast rule. Hyphenating for Clarity Just when you think hyphenating words was easy once you learn the rules, you find out that some hyphenation rules are optional!
However, other editors prefer hyphenating all compound modifiers, even those with low risk of ambiguity. Examples: a high-school senior an ice-cream cone a twentieth-century throwback Rule 12. When in doubt, look it up. Some familiar phrases may require hyphens. For instance, is a book up...
As with other compound adjectives, hyphenating means the words function as one unit of meaning. For example: The good-looking man stared at me. A well-known chef will be cooking for the wedding. Avoiding Double Vowels Use a hyphen to make words with double vowels more readable. For ...