middle-aged

• POS: Adjective
• HYPHEN: mid=dle-aged

CIDE DICTIONARY

middle-aged, a. 

 Being about the middle of the ordinary age of man; early in the century, it was considered between 30 and 50 years old, but by the end of the 19th centruy it was considered as 40 to 60.  [1913 Webster]

ROGET THESAURUS

middle-aged

Adolescence

N adolescence, pubescence, majority, adultism, adultness, manhood, virility, maturity full age, ripe age, flower of age, prime of life, meridian of life, spring of life, man, woman, adult, no chicken, adolescent, pubescent, of age, of full age, of ripe age, out of one's teens, grown up, mature, full grown, in one's prime, middle-aged, manly, virile, adult, womanly, matronly, marriageable, nubile, Time with reference to an Effect or Purpose.