Hyperefficient is valid Scrabble Word

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

14 letters word
30 points in Scrabble
31 points in WWF

Definitions for HYPEREFFICIENT in dictionary:

ADJECTIVE:

excessively efficient
more efficient than normal.

OTHER DEFINITIONS:

high-strung, excitable; highly excited

Similar words containing EFFICI without suffix ent and without prefix hyper

efficient17 efficience20 efficiency23 efficients18 coefficient21 efficiences21 efficiently22 inefficient19 coefficients22 efficiencies22 inefficiency25 inefficients20 inefficiently24 inefficiencies24 superefficient24 ultraefficient22 superefficiency30 hyperefficiency36 superefficienci27 superefficiencies29

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