from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A beginner in learning something.

from The Century Dictionary.

  • noun A beginner in learning anything; one who is employed in learning or who has mastered the rudiments only of any branch of knowledge; a novice.

from the GNU version of the Collaborative International Dictionary of English.

  • noun A beginner in learning; one who is in the rudiments of any branch of study; a person imperfectly acquainted with a subject; a novice.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun someone new to a field or activity


from The American Heritage® Dictionary of the English Language, 4th Edition

[Medieval Latin tȳrō, squire, variant of Latin tīrō, recruit.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin tīro ("young soldier, recruit")


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  • "You couldn't sit around in some art director's waiting room with a brand-new-looking portfolio. Everyone would know you were a tyro."

    "The Amazing Adventures of Kavalier and Clay", Michael Chabon, p87

    August 10, 2007

  • This is what all the cool kids use in place of noob these days.

    August 24, 2008