through thick and thin

Cultural  

1. To stay with someone or something “through thick and thin” is to persevere through good times as well as bad: “She stood beside her friend through thick and thin.”

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through thick and thin Idioms  

1. Despite all obstacles or adversities, as in She promised to stand by him through thick and thin. This term alludes to penetrating a forest with both thick and sparse undergrowth. Today it is nearly always used with the idea of supporting something or someone in all circumstances, as in the example. [Late 1300s]

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Example Sentences

See Examples For:

through thick and thin

"Grateful to everyone for being with us through thick and thin for the past 50 years, thank you, take care," it said on social media, without providing further details.

From Barron's ● Jul. 29, 2026

For fans who've stuck with Le Sserafim through thick and thin, it's heartwarming to see them enter a new and happier phase.

From BBC ● Jun. 4, 2026

It’s awesome, to be supported through thick and thin.

From Los Angeles Times ● May 19, 2026

“China has always stood in solidarity through thick and thin with the Global South, including Latin America and the Caribbean,” said the 6,700-word policy paper, China’s first on the region in almost a decade.

From The Wall Street Journal ● Jan. 1, 2026

“Myrtle,” he said, “we’ve driven across the Mohave Desert. We’ve been through thick and thin for over three thousand miles and here you are worrying about Shirls Avenue.”

From "Homesick" by Jean Fritz

Related Words

• adamantly
• decisively
• doggedly
• persistently
• resolutely
• staunchly
• steadfastly
• strictly
• stubbornly
• tenaciously