Related Clues:
- 18 or 21, usually
- 18 or 21, typically
- Large integer
- Come ___ (mature)
- Number of holes on a course
- Number of wheels on a semi
- Having adult legal rights
- Having adult rights and obligations
- Having reached the year of legal responsibility
- Legally adult, able to vote
- Age of eligibility to vote
- Considered adult, able to vote etc
- The genie in this number
- Old enough to have adult rights and responsibilities
- Old enough to vote etc