Action that is wasteful uses too much of something valuable such as time, money, or energy.

This kind of training is ineffective, and wasteful of scarce resources...

Try to avoid wasteful duplication of effort.

Derived words:
wastefully ADV-GRADED ADV with v

The law should impose penalties on companies that use energy wastefully.

English dictionary. 2008.

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Look at other dictionaries:

  • Wasteful — Waste ful, a. 1. Full of waste; destructive to property; ruinous; as, wasteful practices or negligence; wasteful expenses. [1913 Webster] 2. Expending, or tending to expend, property, or that which is valuable, in a needless or useless manner;… …   The Collaborative International Dictionary of English

  • wasteful — waste‧ful [ˈweɪstfl] adjective using things such as money, materials or energy in a way that is not sensible or effective: • Local government is seen as slow, wasteful, and incompetent. * * * wasteful UK US /ˈweɪstfəl/ adjective ► not being… …   Financial and business terms

  • wasteful — index barren, careless, improvident, inordinate, intemperate, needless, prodigal, profligate (extravagant …   Law dictionary

  • wasteful — 14c., from WASTE (Cf. waste) (n.) + FUL (Cf. ful). Related: Wastefully; wastefulness …   Etymology dictionary

  • wasteful — [adj] not economical careless, cavalier, destructive, dissipative, extravagant, immoderate, improvident, incontinent, lavish, liberal, overdone, overgenerous, pound foolish*, prodigal, profligate, profuse, reckless, ruinous, spendthrift,… …   New thesaurus

  • wasteful — ► ADJECTIVE ▪ using or expending something carelessly, extravagantly, or to no purpose. DERIVATIVES wastefully adverb wastefulness noun …   English terms dictionary

  • wasteful — [wāst′fəl] adj. using more than is necessary; extravagant wastefully adv. wastefulness n …   English World dictionary

  • wasteful — adj. 1) wasteful of (wasteful of natural resources) 2) wasteful to + inf. (it s wasteful to use so much fuel) * * * [ weɪstf(ə)l] wasteful to + inf. (it s wasteful to use so much fuel) wasteful of (wasteful of natural resources) …   Combinatory dictionary

  • wasteful — wastefully, adv. wastefulness, n. /wayst feuhl/, adj. 1. given to or characterized by useless consumption or expenditure: wasteful methods; a wasteful way of life. 2. grossly extravagant; prodigal: a wasteful party. 3. devastating or destructive …   Universalium

  • wasteful — waste|ful [ˈweıstfəl] adj using more of something than you should, especially money, time, or effort ▪ a wasteful use of resources wasteful of ▪ The software is very wasteful of memory. >wastefully adv ▪ Lily had wastefully left the light on.… …   Dictionary of contemporary English

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