Definition of grapefruit in English:

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Pronunciation: /ˈɡrāpˌfro͞ot/

noun (plural same)

1A large, round, yellow citrus fruit with an acid, juicy pulp.
Example sentences
  • In a bowl, combine the grapefruit, blood orange, lemon, lime, and tangerine segments.
  • Like grapefruit, bitter orange can boost blood levels of many medications and increase the risk of side effects.
  • I watched him this morning juicing a grapefruit, guava, blood orange, mango, plums, and grapes and pouring the elixir into a giant glass pitcher.
2The tree bearing the grapefruit.
  • Citrus paradisi, family Rutaceae.
Example sentences
  • Mark called in about black mould on his grapefruit tree and fruit.
  • The grapefruit tree produced 19 fruits last year.
  • When his group planted Florida-derived rootstock of Star Ruby grapefruit in Texas, the fruit produced some 50 percent more of this carotenoid than it had in Florida.


Early 19th century: from grape + fruit (probably because the fruits grow in clusters).

For editors and proofreaders

Syllabification: grape·fruit

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