unproper is a valid English word

Scrabble validity: valid ( international - Sowpods ), invalid ( US - Twl06 )
iScramble validity: invalid
QuickWords validity: invalid

Meanings

Adjective (COMPARABLE)

(obsolete) Improper, not according with fact or reason; wrong, irregular. (14th 17th c.)
(now rare) Improper, not suited for its use or application; inappropriate. (from 16th c.)
(obsolete) Not belonging to a given person; someone else's. (17th c.)

unproper is a Scrabble valid word

unproper

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is not valid in Scrabble ✘
• 00 points

unproper is not an iScramble, QuickWords valid word

unproper

• The word is not valid in iScramble ✘
• The word is not valid in QuickWords ✘
• 00 points

Same letters words (Anagrams)

• none

Same letters plus one

• PROPUGNER
• UNDERPROP

Same letters minus one

• none