Synonyms of stagnant

1 Syllable
slow, foul, still, quiet, dead
2 Syllables
fusty, static, standing, brackish, slowest, stifling, stuffy, chokier, frowstier, stilling, idle, choky, stuffier, torpid, skunky, scentful, putrid, mooney, sluggish, stenchy, slower, whiffy, stillest, stiller, inert, filthy, stuffiest, stilled, listless, stock-still, zestless, dormant, stale, quiescent
3 Syllables
gridlocked, odorous, unanxious, sweet-scented, perfumy, lifeless, deadlocked, scent-laden, tumaceous, savorous, stuporous, unmoving, passive, effluvious, motionless
4 Syllables
immobile, apoplectic, olfactive, immotile, stationary, sleepyheaded, inactive, olfactory
5 Syllables
tortoiselike, unventilated