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WordNet-Online 
 Definitions from WordNet
Adjective flightless has 1 sense 
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| Definitions from the WebFlightlessAdjectiveDefinition: Unable to fly. Sense 1: Referring to birds or other animals that do not have the ability to fly. Example sentence: Penguins are a well-known flightless bird species that inhabit the southern hemisphere. Sense 2: Describing an aircraft that is incapable of flying. Example sentence: The flightless model of the airplane is used for training purposes. Related Products on Amazon: | ||||
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