accompanied by a guide: a guided tour.
supervised or controlled: a guided beam.

1905–10; guide + -ed2

self-guided, adjective
unguided, adjective
unguidedly, adverb
well-guided, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
unguided (ʌnˈɡaɪdɪd)
1.  (of a missile, bomb, etc) not having a flight path controlled either by radio signals or internal preset or self-actuating homing devices
2.  without a guide: guided and unguided hikes

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

late 14c., from O.Fr. guider "to guide, lead, conduct," from Frankish *witan "show the way," from P.Gmc. *wit- "to know" (cf. Ger. weisen "to show, point out," O.E. witan "to see"). The French word influenced by O.Prov. guidar (n.) "guide, leader," from the same source. The noun meaning "one who shows
the way" first recorded mid-14c. In 18c. France, a "for Dummies" or "Idiot's Guide to" book would be a guid' âne, lit. "guide-ass."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

guide (gīd)
A device or instrument by which something is led into its proper course, such as a grooved director or a catheter guide.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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