Causeless in a sentence as an adjective

That's exactly the thing though - - the corporate positive mindset isn't about avoiding needless negativity, it's simply enforcing causeless positivity and optimism.

Causeless definitions

adjective

having no justifying cause or reason; "a senseless, causeless murder"; "a causeless war that never had an aim"; "an apparently arbitrary and reasonless change"

See also: reasonless

adjective

having no cause or apparent cause; "a causeless miracle"; "fortuitous encounters--strange accidents of fortune"; "we cannot regard artistic invention as...uncaused and unrelated to the times"

See also: fortuitous uncaused