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Synonyms

mostly

American  
[mohst-lee] / ˈmoʊst li /

adverb

  1. for the most part; in the main.

    The work is mostly done.

  2. chiefly; principally.

  3. generally; customarily.


mostly British  
/ ˈməʊstlɪ /

adverb

  1. almost entirely; chiefly

  2. on many or most occasions; usually

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of mostly

First recorded in 1585–95; most + -ly

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:

Today, America’s China trade policy is remarkably blunt: U.S. rules mostly treat the world’s second-largest economy as a single economic counterpart.

From The Wall Street Journal Aug. 18, 2026

Canavan said in long-term borrowing costs in the US were also being driven by a "record pace" of coporate borrowing in recent weeks, mostly for the development and build-out of AI and data centers.

From BBC Aug. 18, 2026

And a growing cohort of mostly juvenile humpbacks are thriving off New York's coast, where food is now plentiful.

From Barron's Aug. 18, 2026

“There’s no paid staff, and we mostly support niche tech projects, like people exploring new ways to preserve trees in Morocco or to regeneratively regrow a pasture in Oregon,” Khosla told me.

From Slate Aug. 18, 2026

She had tried, and I had tried, to save me from everything I didn’t want, but mostly I’d been ignoring anything I wasn’t willing to face up to.

From "The Red Car to Hollywood" by Jennie Liu

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