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Formally or formerly?

formally is an adverb meaning “In a formal manner”; formerly is an adverb meaning “at some time in the past”. In written English (wordfreq, 2021 data) formerly is about 1.7 times as common as formally.

formallyorformerly

What is the difference between formally and formerly?

formallyformerly
Part of speechadverbadverb
Meaning

In a formal manner

In accordance with official procedure

at some time in the past

previously; once

ExampleHe was dressed too formally for the occasionXenia Robertson, formerly known as Xenia Isaamov, is from Ukraine
Pronunciation/ˈfɔː.mə.li/ /ˈfɔːm.li/ /ˈfɔɹ.mə.li//ˈfɔɹmɚli/ /ˈfɔːməli/
In writing10 times per million words17 times per million words

Sources: formally and formerly in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Every current meaning of formally and formerly

formally

  1. 1

    adverb In a formal manner

    He was dressed too formally for the occasion

  2. 2

    adverb In accordance with official procedure

    He formally filed a complaint, which involved much paperwork

  3. 3

    adverb In accordance with rigorous rules

    He proved it formally but gave his students no intuitive feel for the matter

formerly

  1. 1

    adverb at some time in the past

    Xenia Robertson, formerly known as Xenia Isaamov, is from Ukraine

  2. 2

    adverb previously; once

    This ranch was formerly owned by slaveholders

Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.

Which is more common, formally or formerly?

formally appears 10 times per million words; formerly 17 times per million words.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How many people search formally vs formerly?

“formally vs formerly” is searched about 1,000 times a month on Google and 70 on Bing in the United States. Google counts close variants of a query together (“formerly vs formally”, “formally or formerly”).

Sources: Google Ads keyword data through DataForSEO and Microsoft Advertising keyword data through DataForSEO, the average month from September 2025 to August 2026.

The words