adj. crud·er, crud·est
1. Being in an unrefined or natural state: crude cotton.
2. Lacking tact or taste; blunt or offensive: a crude, mannerless oaf; a crude remark.
3. Lacking in sophistication or subtlety; simplistic: had only a crude notion of how a computer works.
4. Not carefully or skillfully made; rough: a quick, crude sketch.
5. Undisguised or unadorned; plain: must face the crude truth.
6. Statistics In an unanalyzed form; not adjusted to allow for related circumstances or data.
7. Archaic Unripe or immature.
A substance, especially petroleum, in its unrefined state.
[Middle English, from Latin crūdus; see kreuə- in the Appendix of Indo-European roots.]
crudi·ty (krdĭ-tē), crudeness n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.