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  • guar
    guar
    noun
    a plant, Cyamopsis tetragonolobus, of the legume family, grown as a forage crop and for its seeds, which produce a gum guar gum used as a thickening agent and stabilizer in foods and pharmaceuticals and as sizing for paper and cloth.
  • guar.
    guar.
    abbreviation
    guaranteed.

guar

1 American  
[gwahr] / gwɑr /

noun

  1. a plant, Cyamopsis tetragonolobus, of the legume family, grown as a forage crop and for its seeds, which produce a gum guar gum used as a thickening agent and stabilizer in foods and pharmaceuticals and as sizing for paper and cloth.


guar. 2 American  

abbreviation

  1. guaranteed.


guar British  
/ ɡwɑː /

noun

  1. a leguminous Indian plant, Cyamopsis tetragonolobus , grown as a fodder crop and for the gum obtained from its seeds

  2. Also called: guar gum.  a gum obtained from the seeds of this plant, used as a stabilizer and thickening agent in food (E412) and as sizing for paper

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of guar

First recorded in 1880–85, guar is from the Hindi word guār

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Guar gum, a thickener often added to bubble tea and generally safe in small quantities, may also contribute to constipation when consumed frequently.

From Science Daily • Mar. 1, 2026

Monday night’s episode of Jeopardy! had an unexpectedly moving Final Jeopardy round as contestant Dhruv Guar used his answer to wish host Alex Trebek well.

From Slate • Nov. 12, 2019

After the episode aired, Guar explained in a Twitter thread that Trebek had just told the contestants he was going to be undergoing more chemotherapy to treat his cancer:

From Slate • Nov. 12, 2019