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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:

The economics of certain business models, such as robots-as-a-service, also remain mostly untested and have not been a proven success for at least one humanoid company, Agility, according to a regulatory filing.

From MarketWatch ● Oct. 2, 2026

The care is mostly left to Sarah and Robert, who move into David’s bungalow, sleeping on the floor.

From The Wall Street Journal ● Oct. 2, 2026

The US defence department said last year Beijing had likely considered establishing military facilities in around 20 countries, mostly in Africa and Asia -- not including Laos.

From Barron's ● Oct. 2, 2026

I’m mostly living the self-fulfilling prophecy of the nunnery, though I have recently made a Bumble profile.

From Los Angeles Times ● Oct. 2, 2026

Dad always considered him mostly an absentee father.

From "Split the Sky" by Marie Arnold

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