Adult
Definition 1 of 4
Pro Tip 1/3
Legal Significance
The term 'adult' marks the legal age when someone can engage in activities restricted to grown-ups. At 18, you're considered an adult and can vote.
Pro Tip 2/3
Cultural Variations
Age defining adulthood varies across cultures; some countries consider younger individuals as adults. In some places, you're an adult at 16.
Pro Tip 3/3
Age vs. Maturity
Being an adult implies maturity but not all adults behave maturely in every situation. He's an adult, but he acts childish at times.