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Definitions

mainstay

[meyn-stey] / ˈmeɪnˌsteɪ /
NOUN
chief support
Synonyms
STRONGEST
backbone bulwark linchpin pillar
STRONG
anchor brace buttress crutch maintainer prop sinew staff standby stay strength supporter sustainer upholder
WEAK
good right arm right-hand person

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.

The 2027 and 2028 Oscars will also be the last two ceremonies held at the Dolby Theatre after more than a quarter century at the Hollywood mainstay.

From Los Angeles Times • Apr. 7, 2026

Meanwhile, the casualties of war include mainstay growth stock funds.

From Barron's • Apr. 3, 2026

"I see him being a big success for England and being a mainstay for years."

From BBC • Mar. 30, 2026

Troubled singer-songwriters are a mainstay in the mythology of American roots music.

From The Wall Street Journal • Mar. 27, 2026

Owners no longer had the economic clout of being a mainstay of the economy.

From "Sugar Changed the World: A Story of Magic, Spice, Slavery, Freedom, and Science" by Marc Aronson