# controllable

/kənˈtɹoʊɫəbəɫ/ (US) · /kəntɹˈəʊləbəl/ (UK) · CEFR B2 · Adjective

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

## Definition

something that you can manage or change easily. You use this to describe a situation or a person that is not difficult to handle.

For teachers: capable of being managed, directed, or influenced by an external force or individual. Often used to describe systems, variables, or behaviors that remain within a predictable range.

## Examples

- The new software makes the system much more controllable.
- The manager found the new team to be very controllable, as they followed instructions without question.
- In a complex chemical reaction, maintaining a controllable environment is essential to prevent the process from becoming unstable or dangerous.

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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.