Paintless vs Painless - What's the difference?

As adjectives the difference between paintless and painless

is that paintless is without paint; unpainted, or whose paint has worn off while painless is free from pain; without pain or trouble.

(-)

Without paint; unpainted, or whose paint has worn off.

* 2000 , Donald Hall, Here at Eagle Pond?

Residences of a development named Hilltop Place mimic wooden farmhouses with barns attached, painted gray to look paintless but remain tidy.

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(en adjective)

Free from pain; without pain or trouble.

Not difficult; easy.

(free from pain) acheless, unaching

* painful