o·ri·en·teer·ing (ôr??-?n-tîr??ng, -?n-)n. The use of map and compass to find a way through unfamiliar territory, especially when practiced as a competitive sport.[Alteration of Swedish orientering, from orientera, to orient, from French orienter, from orient, east; see orient.]o?ri·en·teer? n.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.orienteer (???r??n?t??) vb (intr) (Individual Sports, other than specified) to take part in orienteeringn (Individual Sports, other than specified) a person who takes part in orienteeringCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014orienteerPast participle: orienteeredGerund: orienteeringImperativePresentPreteritePresent ContinuousPresent PerfectPast ContinuousPast PerfectFutureFuture PerfectFuture ContinuousPresent Perfect ContinuousFuture Perfect ContinuousPast Perfect ContinuousConditionalPast ConditionalImperativeorienteerorienteerPresentI orienteeryou orienteerhe/she/it orienteerswe orienteeryou orienteerthey orienteerPreteriteI orienteeredyou orienteeredhe/she/it orienteeredwe orienteeredyou orienteeredthey orienteeredPresent ContinuousI am orienteeringyou are orienteeringhe/she/it is orienteeringwe are orienteeringyou are orienteeringthey are orienteeringPresent PerfectI have orienteeredyou have orienteeredhe/she/it has orienteeredwe have orienteeredyou have orienteeredthey have orienteeredPast ContinuousI was orienteeringyou were orienteeringhe/she/it was orienteeringwe were orienteeringyou were orienteeringthey were orienteeringPast PerfectI had orienteeredyou had orienteeredhe/she/it had orienteeredwe had orienteeredyou had orienteeredthey had orienteeredFutureI will orienteeryou will orienteerhe/she/it will orienteerwe will orienteeryou will orienteerthey will orienteerFuture PerfectI will have orienteeredyou will have orienteeredhe/she/it will have orienteeredwe will have orienteeredyou will have orienteeredthey will have orienteeredFuture ContinuousI will be orienteeringyou will be orienteeringhe/she/it will be orienteeringwe will be orienteeringyou will be orienteeringthey will be orienteeringPresent Perfect ContinuousI have been orienteeringyou have been orienteeringhe/she/it has been orienteeringwe have been orienteeringyou have been orienteeringthey have been orienteeringFuture Perfect ContinuousI will have been orienteeringyou will have been orienteeringhe/she/it will have been orienteeringwe will have been orienteeringyou will have been orienteeringthey will have been orienteeringPast Perfect ContinuousI had been orienteeringyou had been orienteeringhe/she/it had been orienteeringwe had been orienteeringyou had been orienteeringthey had been orienteeringConditionalI would orienteeryou would orienteerhe/she/it would orienteerwe would orienteeryou would orienteerthey would orienteerPast ConditionalI would have orienteeredyou would have orienteeredhe/she/it would have orienteeredwe would have orienteeredyou would have orienteeredthey would have orienteeredCollins English Verb Tables © HarperCollins Publishers 2011