twenty

(formal) someone's age

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

year

-year-old

age group (demographic grouping based on age)

age of majority (age at which the rights and privileges of an adult are legally granted)

priority of age