excelsior is a valid English word

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

Meanings

Adjective (NOT COMPARABLE)

(archaic) Loftier, yet higher, more elevated; ever upward.
More surpassing, more excelling.

Interjection

A greeting, farewell or acclamation, especially associated with comic book fandom and famous comic book writer Stan Lee.

Noun (UNCOUNTABLE)

(US printing dated) The size of type between Norse and brilliant, standardized as 3-point.
• Synonym: minikin
(North America) Stuffing material (as for furniture and mattresses) made of slender, curled woodshavings, as a substitute for hair.
• Synonym: wood wool

excelsior is a Scrabble valid word

excelsior

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

excelsior is an iScramble, QuickWords valid word

excelsior

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

Same letters words (Anagrams)

• none

Same letters plus one

• XEROCLINES

Same letters minus one

• CREOLISE
• EXORCISE