Unpowered is valid Scrabble Word

Is unpowered a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is unpowered valid Words with Friends?
Words with Friends YES

9 letters word
15 points in Scrabble
18 points in WWF

Definitions for UNPOWERED in dictionary:

NOUN:

Lack of power or ability; weakness, helplessness. Also (in early use): lack of means, poverty.
To deprive of power. Also (now chiefly): to reduce or stop the supply of power to (a machine, etc.); to power down.

ADJECTIVE:

not having or using power
not powered

OTHER DEFINITIONS:

Lacking in power, especially electrical power.

Similar words containing POWER without suffix ed and without prefix un

power10 powers11 empower14 impower14 powered13 repower12 airpower13 empowers15 impowers15 manpower15 outpower13 powerful16 powering14 repowers13 warpower16 airpowers14 empowered17 firepower17 impowered17 manpowers16 outpowers14 overpower17 powerboat16 powerless14 powerplay19 repowered15 warpowers17 willpower17 powerband17 brainpower17 disempower18 empowering18 firepowers18 horsepower18 hydropower22 hyperpower23 impowering18 micropower19 multipower17 outpowered16 overpowers18 powerboats17 powerfully21 powerhouse18 powerplays20 powertrain15 repowering16 superpower17 waterpower18 willpowers18 womanpower20 powerbands18 brainpowers18 candlepower19 disempowers19 empowerment20 horsepowers19 hydropowers23 hyperpowers24 micropowers20 outpowering17 overpowered20 personpower18 powerhouses19 powerlessly19 powerlifter19 powertrains16 superpowers18 waterpowers19 womanpowers21 multipowers18 powerboater18 powerbroker22 candlepowers20 counterpower19 disempowered21 empowerments21 overpowering21 personpowers19 powerboating20 powerfulness20 powerlifters20 powerlifting21 superpowered20 underpowered19 powerboaters19 powerbrokers23 counterpowers20 disempowering22 powerboatings21 powerlessness18 powerliftings22 superpowerful23 ultrapowerful21 disempowerment24 overpoweringly26 powerfulnesses22 disempowerments25 powerlessnesses20

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