Антонимом a humming

asleep dead inactive lifeless sleepy silent quiet dull spiritless sluggish still lethargic slow listless lazy dispirited dreary idle lackluster lacklustre drab vapid deserted apathetic unbusy flat tired characterless boring insipid languid torpid unexciting somnolent languorous enervated tedious uninteresting empty soothing static drowsy wooden dozy numb deadened without energy slumberous slumbersome slumbrous heavy tiresome somber drudging humdrum soporific unspirited unstimulating lame dismal jading routine stiff dreich fatiguing weak wearisome banal bromidic prosaic uneventful sombre unentertaining featureless soulless wearying bland unremarkable ordinary stagnant tame pedestrian unenjoyable passionless irksome stale dry draggy mundane plodding uninspiring ho-hum ho hum slow-moving mind-numbing

aromatic ambrosial fragrant perfumed redolent savory savoury scented sweet sweet-smelling clean moral good fresh pure pleasant indefinite rare pleasing nice scarce fragranced balmy odorous delightful odoriferous aromal aromatized perfumy good-smelling sweet-scented

howling screaming shouting yelling

instrumental

unsociable antisocial insociable introverted nongregarious reclusive unfriendly unsocial apathetic blah depressed dull gloomy lethargic sad serious solemn staid unhappy

motionless still stationary immobile inert unmoving unstirring lifeless steadfast without moving at rest at a halt like a statue

quiet

speaking clearly

shutting up stopping talking hushing up

a hundred per cent a hunk of a I AI aibohphobia aid ahuh a huge number a huge amount of a huge amount a host a horde of