stupid is a valid English word

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

Meanings

Adjective (COMPARABLE)

Lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence.
• Synonym: Thesaurus:stupid
To the point of stupor.
• Neurobiology bores me stupid.
(archaic) Characterized by or in a state of stupor; paralysed.

Adverb (COMPARABLE)

(slang) Extremely.
• My gear is stupid fly.

Noun (COUNTABLE AND UNCOUNTABLE)

A stupid person; a fool.
(colloquial uncountable) The condition or state of being stupid; stupidity, stupidness.
• His stupid knows no bounds.

stupid is a Scrabble valid word

stupid

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

stupid is an iScramble, QuickWords valid word

stupid

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

Same letters words (Anagrams)

• none

Same letters plus one

• DISPUTE
• DISRUPT
• PRUDIST
• PUNDITS
• PUTOIDS
• SHTUPID
• STUPIDS
• STUPIDY

Same letters minus one

• PUITS
• PUTID
• SITUP
• SUDIP