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1. The use of physical or mental energy to do something; exertion.
2. A difficult exertion of strength or will: It was an effort to get up.
3. A usually earnest attempt: Make an effort to arrive promptly.
4. Something done or produced through exertion; an achievement: a play that was his finest effort.
5. Physics
a. Force applied against inertia.
b. The force needed by a machine to accomplish work on a load.

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

ef′fort·ful adj.
ef′fort·ful·ly adv.


in an effortful manner
References in periodicals archive ?
I was" sometimes works as well as "It was," but again we sense an author effortfully making his way between episodes or, more accurately, making a between where before there was not one.
Nonetheless, if we accept as valuable any illuminating new reading that can be generated, whether or not it could ever have been produced by any other scholar, then these articles do work effortfully and at length to make new understandings available.
Although a discussion of this theoretical position is beyond the scope of this article, its relevance for a discussion of the spatiality of writing and spatial theory is worth mentioning, and suggestively hinted at by philosopher Andy Clark (2005) in his call to "take very seriously the material reality of language: its existence as an additional, actively created and effortfully maintained structure in our internal and external environment.
An effortfully "cool" teenage sensibility shifts into neo-Victorian courtly archaism and back again:
Ebest works diligently, if a little effortfully, to map the bean sidhe onto her army of Irish-American women writers.