rhubarb is a valid English word

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

Meanings

Noun (COUNTABLE AND UNCOUNTABLE)

Any plant of the genus Rheum, especially species, having large leaves and long green or reddish acidic leafstalks that are edible, in particular when cooked (although the leaves are mildly poisonous).
(often attributive) The leafstalks of common rhubarb or garden rhubarb (usually known as Rheum × hybridum), which are long, fleshy, often pale red, and with a tart taste, used as a food ingredient; they are frequently stewed with sugar and made into jam or used in crumbles, pies, etc.
The dried rhizome and roots of species (Chinese rhubarb) or species (Tibetan rhubarb), from China, used as a laxative and purgative.

Adjective (NOT COMPARABLE)

Of the colour of rhubarb: either brownish-yellow (the colour of rhubarb rhizomes and roots used for medicinal purposes), or pale red (often the colour of the leafstalks of common rhubarb).

Verb

(Britain military aviation) Of fighter aircraft: to fire at a target opportunistically.
(intransitive originally theater) Of an actor in a film, stage play, etc.: to repeat the word rhubarb to create the sound of indistinct conversation; hence, to converse indistinctly, to mumble.
(transitive) To articulate indistinctly or mumble (words or phrases); to say inconsequential or vague things because one does not know what to say, or to stall for time.

rhubarb is a Scrabble valid word

rhubarb

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

rhubarb is an iScramble, QuickWords valid word

rhubarb

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

Same letters words (Anagrams)

• none

Same letters plus one

• BRUSHBAR
• RHUBARBS
• RHUBARBY

Same letters minus one

• BHABUR
• RUBARB