• three-second
  There’s a three-second delay.
• ten-minute
  Let’s take a ten-minute break.
• two-hour
  She attended a two-hour seminar.

Common Error: Adding -S

• Let’s take a ten-minutes break.
• Let’s take a ten-minute break.

Adjective / Adverb 

+ Past Participle

• narrow-minded = not open to different ideas/thoughts
  I can’t stand narrow-minded people who are intolerant of new ideas.
• well-behaved
  They have three well-behaved children.
• old-fashioned
  We had lunch in an old-fashioned restaurant with décor from the 1950s.
• well-educated
  A lot of well-educated people are still having trouble finding jobs.
• absent-minded = forgetful, not thinking
• His absent-minded comment hurt his sister’s feelings.
• strong-willed = strong desires, stubborn, does not desist
  She’s a strong-willed woman who won’t stop until she gets what she wants.
• quick-witted = intelligent, clever, fast at thinking and discovering things
  The quick-witted detective solved the crime before anyone else had a clue.
• kind-hearted = friendly
• A kind-hearted stranger helped us find the train station.

Adjective / Adverb / Noun 

+ Present Participle (-ING)

• good-looking = attractive, beautiful, handsome
  Who’s that good-looking guy over there?
• long-lasting
  This long-lasting makeup will keep you looking lovely day and night.
• record-breaking
  The athlete’s record-breaking performance won him the gold medal.
• never-ending
  Learning a language seems to be a never-ending process.
• mouth-watering
  There was a variety of mouth-watering desserts at the wedding reception.

Other Compound Adjectives

• ice-cold
  There’s nothing better than drinking an ice-cold lemonade 
• fat-free
• These fat-free cookies are delicious!

When To Use A Hyphen?