1. (also sə-pōzĭd) Presumed to be true or real without conclusive evidence: a supposed spy; the supposed decline of culture.
2. (also sə-pōst) Intended: medication that is supposed to relieve pain.
3. (also sə-pōst)
a. Required: He is supposed to go to the store.
b. Permitted: We are not supposed to smoke here.
c. Firmly believed; expected: You're supposed to be my friend.
sup·posed·ly (-pōzĭd-lē) adv.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.