colt·
ish
ˈkōltiSH/
adjective
adjective: coltish
1.
energetic but awkward in one's movements or behavior.
coy, kittenish; gay,
happy, lighthearted, whimsical; energetic, frolic, jocund, lively, merry, spirited, sprightly, spunky, vivacious; devilish, impish, knavish, mischievous, pixie (also pixy), rascally, roguish; amusing, diverting, enjoyable, entertaining,
fun, pleasurable; dabbling, frivolous,
goofy, silly, trifling; delightful, pleasant, pleasing; jesting, jocose, jocular, joking, prankish, teasing