Dictionary.com
Thesaurus.com

St. John's wort

American  
[seynt-jonz wurt, wawrt] / ˌseɪntˈdʒɒnz ˌwɜrt, ˌwɔrt /
St. John's Wort,

noun

  1. any of various plants or shrubs of the genus Hypericum, having yellow flowers and transparently dotted leaves.


Etymology

Origin of St. John's wort

First recorded in 1745–55; so named because it was traditionally gathered on St. John's Eve to ward off evil

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.

See Examples For:

A solitary figure who preferred working alone and needed large doses of St. John’s wort to get through days when his studio buzzed with people.

From Los Angeles Times Sep. 4, 2025

St. John’s wort can also interact with many other medicines to reduce their effectiveness.

From Seattle Times Dec. 29, 2021

Ingredient apps like Think Dirty help aficionados weigh the difference between mugwort and St. John’s wort.

From The Wall Street Journal Aug. 9, 2018

The first one I drank was tangerine and black currant juice dosed with rhodiola, St. John’s wort and albizia, which some believe fight anxiety and depression.

From New York Times Jul. 3, 2017

"Now, sweetheart," said she, calmly, to the little lad, "you may get me the flowers; and if you find any more of the bind-weed bells and the St. John's wort, so much the better."

From Judith Shakespeare Her love affairs and other adventures by William Black

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training