Adverbs for Plain

(unadorned) emphatically; undeniably; pleasantly; hopelessly; significantly; severely; inartistically; monotonously; invariably; chastely; rigorously; unaffectedly; gracelessly; awkwardly; unfortunately; frightfully; hideously; curiously; singularly; horribly; forbiddingly. (clear) delightfully; distinctly; graphically; singularly; curiously; brilliantly; obviously;