Countereffort is valid Scrabble Word

Is countereffort a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is countereffort valid Words with Friends?
Words with Friends YES

13 letters word
21 points in Scrabble
24 points in WWF

Definitions for COUNTEREFFORT in dictionary:

NOUN:

an effort opposing another effort
exertion of physical or mental power: It will take great effort to achieve victory.
an earnest or strenuous attempt: an effort to keep to the schedule.
something done by exertion or hard work: I thought it would be easy, but it was an effort.
an achievement, as in literature or art: The painting is one of his finest efforts.
the amount of exertion expended for a specified purpose: the war effort.
the force or energy that is applied to a machine for the accomplishment of useful work.

OTHER DEFINITIONS:

a piece (as of metal or plastic) used in reckoning or in games

Words related to COUNTEREFFORT

counterefforts22

Words that contain COUNTEREFFORT

counterefforts22

Find what other words can be done using letters: "countereffort"
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