Hyphens

Use a hyphen:

• For a compound modifier before a noun.
• A two-mile walk, a long-haired girl
• For compound numbers
• Thirty-five dollars and sixty-one cents
• With numbers or letters combined with a prefix or suffix, or a capitalized word.
• Mid-16th century, G-string, anti-English
• With prefixes like ex-, all-, mid-, self-, and any that would cause difficulty reading when added to a word.
• Co-operation, ex-partner, self-taught, semi-independent
• To break a word in the middle at the end of a line. Be sure to put the hyphen between syllables, at the end of the line.
• It was impos- (sible to count that high.)
• For some word compounds. Use a dictionary as many compounds can be written as two words, one word, or hyphenated.
• Step-child, stepchild, mother-in-law, six-pack