Word
autonomous
Phoneticsau·ton·o·mous, stress on the second syllable
US/ɔˈtɑnəməs/
UK/ɔːtˈɒnəməs/
Definitions
01self-governing
C1 · Advanced Formal
adj. describes a country or region that has the power to govern itself independently.
adj. possessing the right or power of self-government; independent of external political control.
“The region became an autonomous province with its own local laws.”
“After years of negotiation, the territory was granted autonomous status, allowing it to manage its internal affairs while remaining part of the larger federation.”
Synonyms
02independent in action
C1 · Advanced Academic
adj. able to make your own decisions and act without being told what to do by others.
adj. acting independently or having the freedom to do so; not controlled by others or outside forces.
“Teachers want their students to become autonomous learners who study on their own.”
“The philosophy department encourages students to be autonomous thinkers rather than simply memorizing the perspectives of established scholars.”
Synonyms
Antonyms
03self-operating technology
B2 · Upper Intermediate Computing Technical
adj. describes a machine or computer system that can operate without a human controlling it.
adj. capable of operating without direct human intervention, especially through the use of artificial intelligence.
“The company is testing autonomous cars that can drive safely in city traffic.”
“Advancements in sensor technology have allowed for the development of fully autonomous drones capable of navigating complex environments without a remote pilot.”
Antonyms
04impersonal verb forms
C2 · Proficiency Linguistics Technical
adj. in grammar, a verb form that does not have a specific person as the subject.
adj. denoting a verb form that lacks a specific subject, often functioning similarly to the passive voice in certain languages.
“In some languages, an autonomous verb form is used to show an action happened without saying who did it.”
“The Celtic languages utilize an autonomous verb form where the logical patient is the grammatical object, effectively creating an impersonal construction.”
Synonyms
Real-World Examples
“If it succeeds, CADRE will be the first time NASA has operated multiple rovers beyond Earth as a single autonomous system.” “Pokémon Go data was used to train military drones in autonomous navigation.” “Engineers could apply lessons from rhythmic ant swarms to autonomous artificial agents that also need to react as a group to cyclical changes in their environment.” Etymology
From autonomy + -ous.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
NOUN
ADJECTIVE
ADVERB
Domain
- 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.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL 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: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Frequent
- Level
- C1 · Advanced
- Updated
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englishreference.com/q/autonomous