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undirected

American  
[uhn-di-rek-tid, -dahy-] / ˌʌn dɪˈrɛk tɪd, -daɪ- /

adjective

  1. not directed; directed; not guided.

    He wasted his time on undirected activity.

  2. bearing no address, as a letter.


undirected British  
/ ˌʌndɪˈrɛktɪd, -daɪ- /

adjective

  1. lacking a clear purpose or objective

  2. (of a letter, parcel, etc) having no address

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of undirected

First recorded in 1590–1600; un- 1 + directed

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"It will move faster, because evolution is undirected," says Burden.

From Science Daily

Furthermore, binary undirected graphs constructed to represent the connectivity between EEG channels showed that the neural network was more densely connected in strangers than in acquaintances.

From Science Daily

At 18 tonnes it is one of the largest items in decades to have an undirected dive into the atmosphere.

From BBC

But the return of the rocket stage will be uncontrolled, and at 18 tonnes it is one of the largest items in decades to have an undirected dive into the atmosphere.

From BBC

It just so happened that for the first year ever, the child psychiatry fellowship at Stanford, where Dr. Jacobs was a fellow, would allow fellows to spend a month doing undirected scholarly work.

From New York Times