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  1. Adulthood | Development, Aging & Maturity | Britannica

    Adulthood, the period in the human lifespan in which full physical and intellectual maturity have been attained. Adulthood is commonly thought of as beginning at age 20 or 21 years.

  2. The 3 Stages of Adulthood (And Their Characteristics)

    Explore the 3 stages of adulthood: early, middle, and late. Learn the key characteristics of each phase and how they shape our lives.

  3. Adulthood - University of Central Florida Pressbooks

    By the time we reach early adulthood (20 to early 40s), our physical maturation is complete, although our height and weight may increase slightly. In young adulthood, our physical abilities are at their …

  4. Adulthood | Introduction to Psychology - Lumen Learning

    By the time we reach early adulthood (20 to early 40s), our physical maturation is complete, although our height and weight may increase slightly. In young adulthood, our physical abilities are at their …

  5. Adult development - Wikipedia

    The concept of adulthood has legal and socio-cultural definitions. The legal definition [4] of an adult is a person who is fully grown or developed. This is referred to as the age of majority, which is age 18 in …

  6. What It Means to Be an Adult Today - Psychology Today

    Adulthood today is a psychological state, more subjective than “spouse” or “parent”—and always in flux. Yet whether or not you feel like an adult may have a big impact on your well-being.

  7. Adult Development Stages and Cognitive Changes in Later Life

    Mar 9, 2025 · Adult development involves psychological, cognitive, and social transformations, characterized by distinct stages such as early adulthood, midlife, and late adulthood, influenced by …

  8. Adulthood - psychology-lexicon.com

    Adulthood in psychology refers to the stage of life that follows adolescence and continues until old age. This phase is characterized by significant psychological, emotional, and social development, as well …

  9. Understanding Adulthood and Family Development: Key Stages ...

    Jun 9, 2024 · Unlike childhood and adolescence, adulthood isn’t just about personal development—it’s about learning to balance intimate relationships, family responsibilities, and personal aspirations.

  10. ADULTHOOD Definition & Meaning - Merriam-Webster

    Adjective preparing children for adult life We need to approach this in an adult way. Noun. Examples are automatically compiled from online sources to show current usage. Read More.