Chiefly
Chiefly adverb - For the most part.
Usage example: our video collection consists chiefly of comedies, but we have a few horror movies
Mostly is a synonym for chiefly in mainly topic. In some cases you can use "Mostly" instead the word "Chiefly" as an adverb or an adjective, when it comes to topics like often, emphasis, primarily, predominantly. popular alternative
Nearby Word: chief
Mostly
Mostly adverb - For the most part.
Usage example: the weather this month has been mostly mild
Chiefly is a synonym for mostly in mainly topic. You can use "Chiefly" instead the word "Mostly" as an adverb or an adjective, if it concerns topics such as often, emphasis, primarily, predominantly. popular alternative
Nearby Word: most
Mutual synonyms
Related pairs
Both words in one sentence
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Cult: Russell has a band of mostly girls, chiefly teenagers or slightly older, who serve him and worship him and believe he has supernatural powers.
Source: Literature / The Girls -
While it's suggested that she may be the player character from the main series, in Nightfall she mostly handles mundane tasks for Dupin, chiefly providing the player with instructions and rewards.
Source: Lovely Assistant -
This is mostly because Shari'a is chiefly a Sunni concept, and relies on an interpretation of the way the judiciary ought to work that fell out of fashion in Shi'a circles several centuries ago.
Source: Useful Notes / Iran
Cite this Source
Mostly and Chiefly. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/chiefly/mostly
Chiefly & Mostly. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/chiefly/mostly>.
Mostly or Chiefly. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/chiefly/mostly.
Google Ngram Viewer shows how "chiefly" and "mostly" have occurred on timeline