English Reference
adverb

formally

adv.
US /ˈfɔɹməɫi/ UK /fˈɔːməli/ for·mal·ly

  1. 01 B2 Upper Intermediate

    in an official way, often involving a public statement or a signed document.

    in accordance with official procedure or legal requirements.

    Simple

    The company formally announced the merger in a press release this morning.

    In context

    The treaty was formally ratified by the parliament after months of intense diplomatic negotiation.

    Usage

    Often used with verbs of communication like 'announce', 'invite', or 'propose'.

  2. 02 B2 Upper Intermediate

    behaving or dressing in a serious, traditional way for a special event.

    in a manner that adheres to conventional social etiquette or traditional dress codes.

    Simple

    The guests were asked to dress formally for the wedding dinner.

    In context

    He greeted the visiting dignitaries formally, ensuring that every protocol of the state visit was strictly observed.

    ceremoniouslyproperly
  3. 03 C1 Advanced AcademicTechnical Academic

    following a strict set of rules or a specific logical pattern.

    in accordance with rigorous rules of logic, mathematics, or structural composition.

    Simple

    The theory has not yet been formally proven by other scientists.

    In context

    The linguist attempted to formally define the syntax of the dialect using a set of generative rules.

    Usage

    Common in academic writing when discussing proofs, definitions, or systems.

Usage formally identified · formally define · formally establish

Police said that while the body was yet to be formally identified, it was believed to be that of 18-year-old Lily Hooper.

BBC News· 20 Aug 2026

In 2024, about 1.4 million high school seniors took what’s now formally called the ACT.

Smithsonian Magazine· 23 Jun 2026

From formal + -ly.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Common
Updated