smartless

Without a smarting or stinging sensation; painless.

Adjective

  1. Without a smarting or stinging sensation; painless.
    • If thy glory could attain to / Heights of pardon, and disdain to / Curse thy creatures who are fain to / Love thee in devotion artless, / Thou couldst make the wide world smartless, / God malignant, dumb and heartless!...
    • The price is low, the tube lasts long; so it [shaving cream] is just as smart to buy as it is smartless to use. - 1943, LIFE, volume 15, number 15, page 1:

Origin

From smart + -less.