Definition of "three-year-old" []

• Three years of age (adjective)

WordNet. Princeton University. 2010.

• "This time around, I’ve got another slew of deadlines, plus a highly effective stress producer known as a three-year-old."
• "You might come out of a dance looking and acting like a three-year-old, N!"
• "She had then proceeded to tell us the terrible news—that our 26-year-old daughter was dead, along with her 26-year-old husband and their three-year-old son."