- present perfect of retard.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Ninety percent of children born with the condition will have retarded mental and physical development, experts say.
From Reuters • Feb. 1, 2016
From C.I.O. came charges that Hillman "with stealthy efforts" was trying to make a deal with A.F. of L., was perpetrating "intolerable conditions that have retarded the progress of this industry."
From Time Magazine Archive
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Soaring costs and the scarcity of practitioners and facilities in many areas have retarded the development of preventive medicine.
From Time Magazine Archive
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An Inquiry into the Causes which have retarded the general adoption of Free Trade since its Introduction into England.
From Disturbed Ireland Being the Letters Written During the Winter of 1880-81. by Becker, Bernard H.
High freight rates, a long haul, and the competition of Russia and Roumania have retarded the development of these industries, however.
From Commercial Geography A Book for High Schools, Commercial Courses, and Business Colleges by Redway, Jacques W. (Jacques Wardlaw)