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tir·ing | \ ˈtī-riŋ 
, ˈtī-ər-iŋ \
, ˈtī-ər-iŋ \Definition of tiring
: causing weariness or lack of strength or energy
a tiring schedule a very tiring workout Karlowicz, a fifth-grade teacher, said she ran in last year's Ragnar Relay Cape Cod, which gave her some familiarity with racing on back-to-back days. "It's so tiring," she said. "There's a huge mental challenge to do it. It's very invigorating to overcome that."— Steve Derderian
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More Definitions for tiring
tiring
adjectiveEnglish Language Learners Definition of tiring
: causing you to feel tired
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Time Traveler for tiring
The first known use of tiring was in 1594
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