The time of maturity when power and vigor are greatest.

synonym: prime.

Roget 127: youth; juvenility, juvenescence^†; juniority^†; infancy; babyhood, childhood, boyhood, girlhood, youthhood^†; incunabula; minority, nonage, teens, tender age, bloom.    cradle, nursery, leading strings, pupilage, puberty, pucelage^†.    prime of life, flower of life, springtide of life^†, seedtime of life, golden season of life; heyday of youth, school days; rising generation.    ... show more

Roget 131: adolescence, pubescence, majority; adultism; adultness etc. adj.; manhood, virility, maturity full age, ripe age; flower of age; prime of life, meridian of life, spring of life.    man etc. 373; woman etc. 374; adult, no chicken.    ... show more