mature Antonyms - page 2

underage schoolboyish vernal wane wither worsen young youngish youthful uninformed teenaged baby-faced fall away younger man-child fledgling drift back adolescent decline degenerate deteriorate developing drop early ebb embryonal embryonic embryotic fail fall family feather-headed collapse childly amorphous babish baby babyish backslide blooming blossoming bosky boyish boyishly budding callow child childlike fetal foliate