Definition of "rudimentary" []

• Of or relating to basic facts or principles; elementary. (adjective)
• Being in the earliest stages of development; incipient. (adjective)
• Biology Imperfectly or incompletely developed; embryonic: a rudimentary beak. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Without memory we would have to relearn everything every day and society would remain rudimentary at best."
• "They were introduced in rudimentary fashion in Second Edition and became a full-fledged system in Third Edition."
• "ETA: * as in rudimentary step-by-step instructions as if you were speaking to your 5 year old dog."