firewall is a valid English word

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

Meanings

Noun (COUNTABLE)

(architecture) A fireproof barrier used to prevent the spread of fire between or through buildings, structures, electrical substation transformers, or within an aircraft or vehicle.
• Coordinate terms: firestop, fire block
(computer security) The software that monitors traffic in and out of a private network or a personal computer and allows or blocks such traffic depending on its perceived threat.
(physics) A hypothetical phenomenon where an observer falling into a black hole encounters high-energy quanta at or near the event horizon.

Verb

(transitive computer security) To protect with a firewall.
(transitive computer security) To block with a firewall.
(intransitive motor vehicles or aircraft slang) To use maximum engine power or acceleration.

firewall is a Scrabble valid word

firewall

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

firewall is an iScramble, QuickWords valid word

firewall

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

Same letters words (Anagrams)

• none

Same letters plus one

• FIREWALLS

Same letters minus one

• FAILLER
• FARWELL
• ILLFARE