# remiss

/ɹiˈmɪs/ (US) · /ɹɪmˈɪs/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/remiss
Updated: 2026-10-18

## Definition

failing to do something you should do, especially part of your job or duty. You use it when someone forgets an important task or does not act with enough care.

For teachers: failing to fulfil a duty or expected action; negligent or careless through omission rather than intent.

## Examples

- It is remiss of me to forget your birthday.
- The manager was remiss in not checking the safety reports before the inspection.
- It would be remiss to discuss the project's success without acknowledging the junior staff whose quiet work kept every deadline intact.

## Synonyms

negligent, careless, lax, Slack, neglectful

## Antonyms

diligent, conscientious, attentive, careful

## Usage notes

- Typically predicative; often followed by 'in' + noun or gerund, or 'of' + person + 'to'-infinitive.

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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.