Synonyms of negativity in English:

negativity


See definition of negativity

noun

1‘one person's negativity and intolerance can have a knock-on effect’

SYNONYMS
pessimism, defeatism, gloom, gloominess, cynicism, negative thinking, hopelessness, despair, despondency, bleakness, blackness, world-weariness
lack of enthusiasm, apathy, indifference
Weltschmerz
rare negativeness
ANTONYMS

optimism, positiveness