Rare
Rouge
Révolutionnaire
Radin
Rabougri
enormous & possibly exciting
Some "R" Adjectives are: Radiant Royal Rolling Round, etc.
rugged
realistic, reliable, remarkable
Optimistic, reliable, vigilant and xenophobic start with those letters.
rude
pragmaticreliable
Rapid, razor, rebel and regal are 5 letter adjectives. Additional adjectives include ritzy, rough, round, royal, rural and rusty.
rabid, mangy, smelly
ajaramberbazaarbittercircularcleverdapperdissimilardourdullereagereasierexteriorfairfamiliarfarfasterfewerfunniergentlergranulargrayerhandierhyperimproperindoorinferiorinnerinteriorirregularjuniorkosherlacklusterlavenderlesserlimberlinearloserlowerlunarmajormastermeagerminormodularmolecularmuscularnearnuclearotherouroutdoorparticularpeculiarperpendicularpolarpopularpostwarpremierpriorproperrearrectangularregularrubberseniorsheersilversimilarsingularsinisterslendersobersolarsombersourspectacularstellarsupersuperiortendertitulartriangularulteriorunclearundercoverunpopularuttervehicularvernacularvulgar
radiant
radiant