waveless (adjective) calm: peaceful, quiet (inanimate)
Sinonime: at a standstill, at peace,
bland, breathless, breezeless,
bucolic,
cool,
halcyon,
harmonious, hushed, in order,
inactive, low-key,
mild,
motionless, pacific,
pastoral,
placid,
quiescent, reposeful, reposing, restful,
rural,
serene,
slow,
smooth,
soothing,
still, stormless,
tranquil, undisturbed, unruffled, waveless, windless
Antonime: excited,
fierce,
frenzied,
rough, stormy,
turbulent,
violent,
wild