# decisive

/dɪˈsaɪsɪv/ (US) · /dɪsˈaɪsɪv/ (UK)

Source: https://englishreference.com/word/decisive
Updated: 2026-06-20

## Senses

### 1. making quick choices

adjective · CEFR B2

able to make decisions quickly and with confidence.

For teachers: characterised by the ability to make firm decisions promptly and without hesitation.

- A decisive leader is needed to guide the company through this crisis.
- The board sought a decisive chief executive who could implement the necessary reforms without succumbing to internal political pressure.

Usage: Usually describes a person's character or a specific action taken by a person.

### 2. settling an issue

adjective · CEFR B2

settling something once and for all, or providing a clear result.

For teachers: having the power to settle a dispute or determine the final outcome of a situation.

- The team scored a decisive goal in the final minute of the game.
- The archaeological evidence provided a decisive answer to the long-standing debate regarding the city's original boundaries.

Usage: Often used with nouns like 'victory', 'factor', 'evidence', or 'action'.

### 3. clear and certain

adjective · CEFR C1 · Formal

very clear and easy to see; leaving no doubt.

For teachers: unmistakable or definite in nature; leaving no room for doubt or uncertainty.

- There has been a decisive improvement in her test scores this term.
- The data showed a decisive shift in consumer behaviour following the introduction of the new environmental regulations.

Teaching tip: In this sense, 'decisive' is often used in academic or professional reports to describe trends or changes.

## Examples

- She is a very decisive leader who acts quickly.
- The manager's decisive action during the crisis prevented the company from losing its most important clients.
- The battle proved to be the decisive moment of the war, shifting the balance of power and forcing the opposing side to negotiate for peace.

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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.