GRE TOEFL responsive Definition Quick to react or respond to something. Example "The customer service was highly responsive to complaints." Sign in to save GRE PDF — $25 TOEFL PDF — $25 ← responsible restitution → Study tips featuring "responsive" TOEFL Academic Vocabulary: Study by Topic Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant