blah is a valid English word

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

Meanings

Noun (COUNTABLE AND UNCOUNTABLE)

(uncountable informal) Nonsense; drivel; idle, meaningless talk.
(informal) (in plural, the blahs) A general or ambiguous feeling of discomfort, dissatisfaction, uneasiness, boredom, mild depression, etc.

Adjective (COMPARABLE)

(informal) Dull; uninteresting; insipid.
• Well, the new restaurant seems nice, but their menu is a little blah.
(informal) Low in spirit or health; down.
• I decided to go exercise rather than sit around all day feeling blah.

Interjection

An expression of mild frustration.
• Synonym: bah, blast, drat, fie
(When spoken repeatedly, often three times in succession: blah blah blah!) Imitative of idle, meaningless talk; used sometimes in a slightly derogatory manner to mock or downplay another's words, or to show disinterest in a diatribe, rant, instructions, unsolicited advice, parenting, etc. Also used when recalling and retelling another's words, as a substitute for the portions of the speech deemed irrelevant.
• Synonym: blah blah, blah blah blah, yada yada yada
Representing the sound of vomiting.
• Synonym: bleah, blech, bleh

Verb

(intransitive) To utter idle, meaningless talk.

blah is a Scrabble valid word

blah

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

blah is an iScramble, QuickWords valid word

blah

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

Same letters words (Anagrams)

• BAHL

Same letters plus one

• ABHAL
• BAHLS
• BALKH
• BELAH
• BHOLA
• BLAHA
• BLAHG
• BLAHS
• BLASH
• BLEAH
• HABLE
• HALAB
• HALEB
• HUBAL
• HYBLA
• LHOBA

Same letters minus one

• ABH
• AHB
• AHL
• ALB
• BAH
• BAL
• BHA
• BHL
• BLA
• HAB
• HAL
• HBA
• HLA
• HLB
• LAB
• LAH
• LHA
• LHB