CHIEFLY Synonyms: 57 Similar and Opposite Words

chiefly

adverb

ˈchē-flē

Definition of chiefly

as in mainly

for the most part our video collection consists chiefly of comedies, but we have a few horror movies

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of chiefly Advertisement Sea Rangers restore seagrass chiefly in the Dutch Eastern Scheldt and French Étang de Berre. — Richard Morgan, Time, 29 June 2026 Larson has clashed chiefly with Bronin — rather than his other two opponents — during the campaign. — Christopher Keating, Hartford Courant, 28 June 2026 Some industrials are going higher, chiefly non-data-center ones. — Jim Cramer, CNBC, 28 June 2026 Tom’s journey to happiness (and, chiefly, Mary) also held another personal element for Quintrell. — Kate Erbland, IndieWire, 24 June 2026 See All Example Sentences for chiefly

Recent Examples of Synonyms for chiefly

Adverb

Before that, much like Argentina, La Roja had relied on some late goals to get through the latter stages – mainly from Mikel Merino, who struck the winner in both the Round of 16 and quarterfinal after coming on as a late substitute.

— Ben Church, CNN Money, 19 July 2026
While the area was formerly covered by prehistoric lakes, today the water here mainly exists as seasonal wetlands, gurgling geysers, hot springs, and a hypersaline lake that’s saltier than the ocean.

— Zoe Baillargeon, Travel + Leisure, 18 July 2026

Definition of mainly

Adverb

Hughes’ fall on this list mostly stems from major growth from others above him and the lack of term left on his deal.

— Dom Luszczyszyn, New York Times, 22 July 2026
That case focused mostly on the details of the knife attack itself; the federal one delves more into questions of motive.

— ABC News, ABC News, 22 July 2026

Definition of mostly

Adverb

Called the Georgia Power 100, these players are chosen primarily on their high school production track record, though college potential is considered.

— Todd Holcomb, AJC.com, 20 July 2026
Rittenhouse’s research primarily deals with studying endangered and threatened bat species and impacts of land planning and management uses.

— Stephen Underwood, Hartford Courant, 19 July 2026

Definition of primarily

Adverb

Their models still largely hold the lead in capabilities, as well as the hardware used to train and advance them.

— Simone McCarthy, CNN Money, 17 July 2026
Hilderbrand — who’s written more than 30 books, largely set in her hometown of Nantucket — says studios started calling after HBO’s adaptation of Liane Moriarty’s Big Little Lies became a hit in 2017.

— Clarissa Cruz, Entertainment Weekly, 16 July 2026

Definition of largely

Adverb

Although some of these new institutions may adopt the name college, they won't be architected around classrooms and their business model won't be principally tuition-based.

— Ryan Craig, Forbes.com, 17 July 2026
The war within the Republican Party was not principally an ideological war, though.

— Louis Menand, New Yorker, 13 July 2026

Definition of principally

Adverb

In Boxtown, the predominantly Black neighborhood closest to the facility, the cancer risk already runs four times the national average.

— Prabhat Ranjan Mishra, Interesting Engineering, 15 July 2026
Lucky’s initial escape through a casino floor is shot predominantly in midrange close-ups, with no experimentation in building tension through unexpected compositions or cuts.

— Roxana Hadadi, Vulture, 15 July 2026

Definition of predominantly

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chief justices

chiefly

chiefs

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“Chiefly.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/chiefly. Accessed 23 Jul. 2026.

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Synonyms of chiefly

adverb

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