Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb overextend
1 sense of overextend
Sense 1
overstrain, overextend -- (strain excessively; "He overextended himself when he accepted the additional assignment")
=> strain, extend -- (use to the utmost; exert vigorously or to full capacity; "He really extended himself when he climbed Kilimanjaro"; "Don't strain your mind too much")