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listless - 6 dictionary results

list⋅less

[list-lis]
–adjective
having or showing little or no interest in anything; languid; spiritless; indifferent: a listless mood; a listless handshake.

Origin:
1400–50; late ME lystles. See list 4 , -less


list⋅less⋅ly, adverb
list⋅less⋅ness, noun
list·less   (lĭst'lĭs)   
adj.  Lacking energy or disinclined to exert effort; lethargic: reacted to the latest crisis with listless resignation.

[Middle English listles : probably from liste, desire (from listen, to desire; see list5) + -les, -lesse, -less.]
list'less·ly adv., list'less·ness n.
Main Entry:  listless1
Part of Speech:  adj
Definition:  having no inclination or spirit; characterized by unwillingingness to exert
Etymology:  Middle English list 'desire' + less
Language Translation for : listless
Spanish: lánguido, apático,
German: lustlos,
Japanese: ものうげな

Listless

List"less\, a. [OE. listles, lustles. See Lust.] Having no desire or inclination; indifferent; heedless; spiritless. " A listless unconcern." --Thomson.

Benumbed with cold, and listless of their gain. --Dryden.

I was listless, and desponding. --Swift.

Syn: Heedless; careless; indifferent; vacant; uninterested; languid; spiritless; supine; indolent. -- List"less*ly, adv. -- List"less*ness, n.

listless 
c.1440, from M.E. liste "pleasure, joy, delight," from O.E. lystan, from P.Gmc. *lustijanan "pleasure" (cf. Du. lusten, Ger. lüsten, O.N. lysta), from the same root as O.E. lust "desire" (see lust).

listless programming
In functional programming, a property of a function which allows it to be combined with other functions in a way that eliminates intermediate data structures, especially lists.
Phil Wadler's thesis gives the conditions for a function to be in listless form: each input list is traversed only once, one element at a time, from left to right. Each output list is generated once, one element at a time, from left to right. No other lists are generated or traversed.
Not all functions can be expressed in listless form (e.g. reverse).
(1995-02-22)

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