- without blood
- conducted without violence (esp in the phrase bloodless revolution)
- anaemic-looking; pale
- lacking vitality; lifeless
- lacking in emotion; cold; unfeeling
WordReference Random House Learner's Dictionary of American English © 2026
blood•less /ˈblʌdlɪs/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2026- without blood:a bloodless procedure in the doctor's office.
- very pale: a bloodless face.
- accomplished without violence or killing: a bloodless coup.
- without spirit or vigor:a cold, bloodless smile on his face.
blood•less
(blud′lis),USA pronunciation adj.
blood′less•ly, adv.
blood′less•ness, n.
- without blood:bloodless surgery.
- very pale:a bloodless face.
- free from bloodshed;
accomplished without bloodshed:a bloodless victory; a bloodless coup. - spiritless;
without vigor, zest, or energy:a dull, insipid, bloodless young man. - without emotion or feeling;
cold-hearted:bloodless data.
- Middle English blodles, Old English blōdlēas. See blood, -less 1175–1225
blood′less•ness, n.
Collins Concise English Dictionary © HarperCollins Publishers::
bloodless /ˈblʌdlɪs/ adj
'bloodless' also found in these entries (note: many are not synonyms or translations):