Underage/ˈʌndəreɪdʒ/ Definition 1 of 2Pro Tip 1/3Legal Restrictions Underage often pertains to restrictions like drinking, voting, or driving. She was caught driving without a license because she's underage. Pro Tip 2/3Cultural Differences The legal age varies across countries, so 'underage' can mean different ages. In some countries, you're underage for drinking below 21, not 18. Pro Tip 3/3Common Misuse Don't confuse 'underage' with young appearance; it's about legal age status. Though he looks young, he isn't underage and can enter the bar.