Lubricant.
There is no past tense. For example " it was almost painless" or "it is quite painless" It stays the same in all tenses.
An anagram for painless is spaniels.
The opposite of painless is painful
Suicide is Painless Music by Johnny Mandel Lyrics by Mike Altman
"The injection will be absolutely painless, Bill".
Painless Parker died in 1951.
Painless Parker was born in 1871.
The injection was painless and quick, leaving the patient relieved.
burn the coal in night, is a painless killer (human killer)
Painless - House - was created on 2009-01-19.
Parting Should Be Painless was created in 1984.
Painless Love was created on 1918-10-23.