English Reference

Word

controllable

Phoneticscon·trol·lable

US/kənˈtɹoʊɫəbəɫ/

UK/kəntɹˈəʊləbəl/

Definition

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

adj. 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.”

Examples

simple

“The new software makes the system much more controllable.”

contextual

“The manager found the new team to be very controllable, as they followed instructions without question.”

complex

“In a complex chemical reaction, maintaining a controllable environment is essential to prevent the process from becoming unstable or dangerous.”

Real-World Examples

“A FALD backlight uses dozens to thousands of small LEDs, or Mini LEDs, grouped into different zones, each with individually controllable brightness levels.”
Ars Technica 2 Oct 2026
“This is helpful because effort is controllable, and we know practice is important for developing expertise.”
Phys.org 7 Sept 2026

Etymology

From control + -able.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADJECTIVE

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Occasional
Level
B2 · Upper Intermediate
Updated

QR code

englishreference.com/q/controllable

English Reference