List of staid synonyms and staid related words.
arid, barren, calm, collected, composed, cool, decorous, demure, dignified, dry, dull, earnest, earthbound, formal, frowning, grave, grim, grim-faced, grim-visaged, infecund, infertile, literal, long-faced, moderate, mundane, no-nonsense, priggish, prim, prosaic, prosing, prosy, quiet, restrained, rigid, sedate, serious, serious-minded, smug, sober, sober-minded, sobersided, solemn, somber, starchy, stiff, stolid, stone-faced, straight-faced, stuffy, temperate, thoughtful, unfanciful, unideal, unimaginative, uninspired, uninventive, unoriginal, unpoetic, unromantic, unromanticized, unsmiling, weighty