improperest is a valid English word

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

Meanings

Adjective

Superlative form of: improper

improperest is not a Scrabble valid word

i1m3p3r1o1p3e1r1e1s1t1

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

improperest is not an iScramble, QuickWords valid word

i1m2p3r4o5p6e7r8e9s10t11

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

Same letters words (Anagrams)

• none

Same letters plus one

• CRIMESTOPPER
• MICROSTEPPER
• PEREMPTORIES
• POSTPREMIERE
• PTERIDOSPERM

Same letters minus one

• EMPERORIST
• PERIPTEROS
• PREEMPTORS
• PREPROMISE
• PROPERTIES
• PROPRETIES
• PROSPERITE
• SPIROMETER
• SPIROMETRE
• TEMPORISER