Unpressurised is valid Scrabble Word

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

Definitions for UNPRESSURISED in dictionary:

Similar words containing PRESSURIS without suffix ed and without prefix un

pressurise12 pressurised14 pressuriser13 pressurises13 depressurise15 pressurisers14 pressurising15 repressurise14 depressurised17 depressurises16 repressurised16 repressurises15 depressurising18 pressurisation16 repressurising17 pressurisations17
Find what other words can be done using letters: "unpressurised"
https://scrabble-word.com/finder/unpressurised
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