# soundly

/ˈsaʊndɫi/ (US) · /sˈaʊndli/ (UK) · CEFR B2 · Adverb

Source: https://englishreference.com/word/soundly
Updated: 2026-05-18

## Definition

in a way that is very clear, strong, or effective. You use this to describe something that is done well or that has a strong effect.

For teachers: in a manner that is thorough, effective, or clearly defined. Often used to describe the quality of a victory, a sleep, or a logical argument.

## Examples

- The team won the game soundly.
- After a soundly defeating the opposition in the final round, the champion felt confident about her future in the sport.
- The committee's decision was soundly based on years of empirical research, leaving little room for the critics to challenge the methodology.

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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.