# informed

/ˌɪnˈfɔɹmd/ (US) · /ɪnfˈɔːmd/ (UK)

Source: https://englishreference.com/word/informed
Updated: 2026-06-19

## Senses

### 1. knowledgeable

adjective · CEFR B2

having a lot of knowledge or information about a specific subject.

For teachers: possessing or exhibiting a high level of knowledge or education regarding a particular field or set of facts.

- She is very informed about the current political situation in Europe.
- The panel consisted of highly informed experts who had spent decades researching the socio-economic impacts of urban sprawl.

### 2. based on facts

adjective · CEFR B2

describing a choice or opinion that is based on solid facts and understanding.

For teachers: grounded in or characterized by a thorough understanding of the relevant facts and circumstances.

- Reading different news sources helps you make an informed choice when you vote.
- The board reached an informed decision only after reviewing the comprehensive financial audits and market projections provided by the consultants.

### 4. astronomy/stars

adjective · CEFR C2 · Archaic · Technical

an old word for stars that were not part of a known group or constellation.

For teachers: referring to stars not included within the boundaries of any of the anciently recognized constellations.

- The old map showed several informed stars that did not belong to any constellation.
- In early astronomical catalogues, certain stars were described as informed because they sat outside the traditional Ptolemaic figures.

Usage: In modern astronomy, this term has been replaced by 'unformed' or specific coordinate designations.

## Examples

- She made an informed decision after reading all the reports.
- The doctor ensured the patient was fully informed about the risks before the surgery began.
- An informed electorate is considered a cornerstone of a healthy democracy, as it allows citizens to evaluate policy proposals based on evidence rather than rhetoric.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.