impugn is a valid English word

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

Meanings

Verb

(transitive obsolete) To assault, attack.
(transitive) To verbally assault, especially to argue against an opinion, motive, or action; to question the truth or validity of.
• Synonym: call into question, challenge, contest, contradict, deny, disavow, dispute, oppugn, negate

impugn is a Scrabble valid word

impugn

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 00 points

impugn is an iScramble, QuickWords valid word

impugn

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 00 points

Same letters words (Anagrams)

• MUPING
• UMPING

Same letters plus one

• BUMPING
• DUMPING
• HUMPING
• IMPUGNS
• JUMPING
• LUMPING
• MUMPING
• NGUMPIN
• PAUMING
• PLUMING
• PUMPING
• RUMPING
• SPUMING
• SUMPING
• TUMPING
• YUMPING

Same letters minus one

• GUIMP
• MUING
• PMING
• PUGIN
• PUNGI
• PUNIM