Young.
Complimentary adjectives that start with the letter a:ableaccessibleadorableagreeableamazingangelicappreciativeartisticastuteathleticattractiveawesome
There are many adjectives that start with the letter J:jadejadedjaggedjammedjammyjangledjanglyJapanesejarringjarryjasminejasperjauncedjaundicedjauntyjaw-droppingjazzyjealousjeanjeeredjejunejelliedjellyjellylikejeopardizedjerkjerkyjetjeweledJewishjigglyjiltedjinglingjinglyjingoisticjinxedjitterjitteringjitteryjivejobilantjoblessjocosejocosityjocularjocundjoggyjoinedjointjointedjokeyjokingjolliestjollyjotterjovialjowlyjoyfuljoyousjubilantJudaicjudgmentaljudicialjudiciousjuiciestjuicyjumbledjumbojumpingjumpyJungianjunglejunglyjuniorjunkjunkyJurassicjuridicaljurisdictionaljuristicjury-riggedjustjustifiablejustifiedjuttingjuvenilejuxtaposed
Iguanas
There are no adjectives beginning with the letter z that describe a shy person.
Outstanding, optimistic, outgoing and observant are positive adjectives.
art
yearlong
· harmless
enjoyable
Earthy.
kaleidoscopic
Rapid, razor, rebel and regal are 5 letter adjectives. Additional adjectives include ritzy, rough, round, royal, rural and rusty.