its the title of a painting, two sided, bought by a traveller from chille that i never met. i hope they are OK.

what does it mean?

i needed a religion, and this is it.

uninadisanism

un as in uninvolved, unexcited, unimpressed.
in as in indifferent, inviolate, insufferable
a as in amoral, asexual, atheist
dis as in disinterested, disempowered, disparate
an as in anaerobic, anaemic, anaphrodisiac
ism as theory, belief, doctrine

(fill in your own word examples if you find the ones above too attractive or repulsive, they are for illumination, not emotion)
so
un – ‘contrary to’
in – ‘not’
a – ‘negation / abscence’
dis – ‘lit. two ways / apart’
an – ‘without’
ism – philosophy

which is kinda like the non attatchment of dao, without the purpose. te kore. daat.