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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

ef·fort·ful

Audio Help [ef-ert-fuh

l] Pronunciation Key

–adjective

marked by effort or exertion; labored.

[Origin: 1895–1900; effort + -ful

]

—Related forms

ef·fort·ful·ly, adverb

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
effortful

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American Heritage Dictionary - Cite This Source - Share This

ef·fort Audio Help (ěf'ərt) Pronunciation Key
n.

The use of physical or mental energy to do something; exertion.
A difficult exertion of the strength or will: It was an effort to get up.
A usually earnest attempt: Make an effort to arrive promptly.
Something done or produced through exertion; an achievement: a play that was his finest effort.
Physics Force applied against inertia.

[Middle English, from Old French esfort, from esforcier, to force, exert, from Medieval Latin exfortiāre : Latin ex-, ex- + Latin fortis, strong; see bhergh-² in Indo-European roots.]

ef'fort·ful adj., ef'fort·ful·ly adv.

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