painless
adjective
- not causing pain
Wiktionary
adj
Etymology: From Middle English paynles, peynlees, equivalent to pain + -less. Compare West Frisian pynleas (“painless”), Dutch pijnloos (“painless”).
- Free from pain; without pain or trouble.
“There are now washless dishes, painless razors, painless shoes, painless corsets, prepared soups, painless photographs (it used to give you a stiff neck for three days to have your picture taken)[…]”
- Not difficult; easy.
“At first it seemed like a very painless way to get my work done and I told Milly to let me sleepwrite as much as I liked. We discovered, however, that although my subconscious might lead me to the typewriter, it couldn't make me think.”