closed-loop system closed loop • closed-minded · · · Info · Definitions · Synonyms · Characters · · closed-loop system · · Text Common · · Latin · · Scripts 18 · · Length 5 · · Syllables Definitions · · · (noun) a control system with a feedback loop that is active. Synonyms: closed loop, closed-loop system. · · Noun Definition 1 Synonyms · · · closed loop · · Synonym 1 Characters · · space U+0020 - hyphen-minus U+002D c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079