(of a person) approximately between 45 to 65 years old, typically indicating a stage of life between young adulthood and old age
"My teacher is middle-aged."
"The middle-aged man decided to go back to school to finish his degree because he wanted a better job and more opportunities."
adult/əˈdʌlt/adjective
fully developed and mature
"The movie is for adult audiences."
"The adult students in the evening class worked full time during the day and attended lectures after work to improve their skills."
aged/ˈeɪdʒd/adjective
old and mature of age
"The cheese is aged."
"The aged cheese had a strong flavor that not everyone liked but true cheese lovers considered it to be a delicacy worth trying."
teenage/ˈtiˌneɪdʒ/adjective
having the age of thirteen to nineteen
"My brother is teenage."
"The teenage years are often a time of significant personal growth and self-discovery for young adults."
youthful/ˈjuːθfəl/adjective
having the characteristics that are typical of young people
"She has a youthful appearance."
"Despite her age she had a youthful energy that inspired everyone around her to stay active and enjoy life to the fullest every day."
mature/məˈʧʊr/adjective
fully-grown and physically developed
"He is very mature for his age."
"He was mature for his age and handled the difficult situation with a calmness that surprised his parents and teachers at school."
elderly/ˈɛldɚli/adjective
advanced in age
"The elderly man needs help."
"The elderly couple celebrated their fiftieth wedding anniversary with a small party attended by their children grandchildren and close friends from church."
Learn all 7 words in this list with spaced repetition