irb is a valid English word

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

Meanings

Noun (COUNTABLE)

Initialism of: institutional review board, a committee that reviews the designs of proposed experiments to confirm whether all the methods proposed are ethical.
Initialism of: investment review board, a committee of business executives who review investment choices, comparing against strategy and opportunity costs.
Initialism of: internal review board, an internal affairs division of a police department.

Adjective (NOT COMPARABLE)

(finance) Initialism of: internal ratings-based approach

Proper noun

(historical) Initialism of: Irish Republican Brotherhood, a secret organisation dedicated to the establishment of an "independent democratic republic" in Ireland between 1858 and 1924.
(rugby historical) Initialism of: International Rugby Board, the name used by World Rugby, the worldwide governing body for rugby union, from 1998 to 2014.

irb is not a Scrabble valid word

irb

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

irb is not an iScramble, QuickWords valid word

irb

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

Same letters words (Anagrams)

• BIR
• BRI
• IBR
• RBI
• RIB

Same letters plus one

• ABIR
• ABRI
• BAIR
• BARI
• BIER
• BIRB
• BIRD
• BIRG
• BIRK
• BIRL
• BIRO
• BIRR
• BIRS
• BIRT
• BIRX
• BRIA
• BRIC
• BRIE
• BRIG
• BRIL
• BRIM
• BRIN
• BRIO
• BRIS
• BRIT
• BRIX
• BURI
• CBIR
• CRIB
• DRIB
• HRIB
• IBMR
• IBNR
• IBRD
• IBRS
• IRBM
• IRBS
• IRBY
• KIRB
• RABI
• RAIB
• RBIS
• REBI
• RGBI
• RHIB
• RIBA
• RIBS
• RNIB
• RUBI
• SBIR
• TRIB
• URBI

Same letters minus one

• BI
• BR
• IB
• IR
• RB
• RI