from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Lacking energy or disinclined to exert effort; lethargic: reacted to the latest crisis with listless resignation.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Lacking energy, enthusiasm, or liveliness.
from the GNU version of the Collaborative International Dictionary of English
- adj. Having no desire or inclination; indifferent; heedless; spiritless.
from The Century Dictionary and Cyclopedia
- Indifferent to or taking no interest in what happens about one; languid and unheeding: as, a listless hearer or spectator.
- Marked by languid inactivity; manifesting relaxed attention; inanimate: as, a listless attitude.
- Synonyms Listless, Careless, Supine, Indolent. The listless and the careless do not care or desire; the supine and the indolent do not care enough to conquer their shrinking from activity or work. The words may all indicate a temporary state or a permanent element of character; indolent generally indicates the latter. (See idle.) Careless is not caring; supine is literally lying flat on one's back, not rousing one's self at all, ignobly indifferent; listless, indifferent and languid. Listless does not necessarily imply blame.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. marked by low spirits; showing no enthusiasm
- adj. lacking zest or vivacity
Middle English listles : probably from liste, desire (from listen, to desire; see list5) + -les, -lesse, -less.(American Heritage® Dictionary of the English Language, Fourth Edition)
From list + -less. (Wiktionary)