- 1[usually passive] decimate something to kill large numbers of animals, plants or people in a particular area The rabbit population was decimated by the disease.
- 2decimate something (informal) to severely damage something or make something weaker Cheap imports decimated the British cycle industry. Word Origin late Middle English: from Latin decimat-
BrE BrE//ˈdesɪmeɪt//; NAmE NAmE//ˈdesɪmeɪt//Verb Forms present simple I / you / we / they decimate
BrE BrE//ˈdesɪmeɪt//; NAmE NAmE//ˈdesɪmeɪt//he / she / it decimates
BrE BrE//ˈdesɪmeɪts//; NAmE NAmE//ˈdesɪmeɪts//past simple decimated
BrE BrE//ˈdesɪmeɪtɪd//; NAmE NAmE//ˈdesɪmeɪtɪd//past participle decimated
BrE BrE//ˈdesɪmeɪtɪd//; NAmE NAmE//ˈdesɪmeɪtɪd//-ing form decimating
BrE BrE//ˈdesɪmeɪtɪŋ//; NAmE NAmE//ˈdesɪmeɪtɪŋ//