There are 2 main definitions of rue in English:

rue1

Syllabification: rue
Pronunciation: /ro͞o
 
/

verb (rues, rueing or ruing, rued)

[with object]
Bitterly regret (something one has done or allowed to happen): Ferguson will rue the day he turned down that offer she might live to rue this impetuous decision
More example sentences
  • Labour could be left ruing that decision this weekend.
  • Residents who planted trees on this road are now ruing the decision that they once thought would help the community.
  • States that worked hard to attract high-tech jobs are also ruing the decision, and discovering that a more diversified economy is more prosperous during the bust.
Synonyms
regret, be sorry about, feel remorseful about, repent of, reproach oneself for;

noun

archaic Back to top  
1Repentance; regret: with rue my heart is laden
1.1Compassion; pity: tears of pitying rue
More example sentences
  • Burginde came around the end of the waggon, and with a look of mingled pity and rue, helped me guide her charge back to our waggon.
  • Filmmakers from these countries reflect on those old ties with a combination of curiosity, rue and rage.
  • Yet audiences flocked to see Gordin's terse presentation of sorrow and rue.

Origin

Old English hrēow 'repentance', hrēowan 'affect with contrition', of Germanic origin; related to Dutch rouw 'mourning' and German Reue 'remorse'.

Definition of rue in:

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There are 2 main definitions of rue in English:

rue2

Syllabification: rue
Pronunciation: /ro͞o
 
/

noun

1A perennial evergreen shrub with bitter strong-scented lobed leaves that are used in herbal medicine.
  • Ruta graveolens, family Rutaceae
More example sentences
  • Many herbs can help to deter flies, such as lavender, sweet woodruff, lemon verbena, star anise, tansy, any of the mints, rosemary, bay, chamomile, rue, elder, southernwood and basil.
  • The medical use of rue is very wide.
  • In ancient Greece and Egypt, rue was employed to stimulate menstrual bleeding, induce abortions, and strengthen eyesight.
1.1Used in names of other plants that resemble rue, especially in leaf shape, e.g., goat’s-rue, meadow rue, wall rue.
More example sentences
  • The dainty blooms of this early flowering meadow rue provide an excellent contrast with larger flowered plants.
  • This combination of management and heavy, poorly-drained soils favoured characteristic plants such as great burnet, devil's bit scabious, meadow rue and pepper saxifrage.
  • In addition to its lactogenic properties, goat's rue comes from the same family as fenugreek and is also considered to have anti-diabetic properties.

Origin

Middle English: from Old French, via Latin ruta from Greek rhutē.

Definition of rue in: