1. Located on high or higher ground: an uphill mine entrance.
2. Going up a hill or slope: an uphill climb.
3. Marked by difficulty or strong resistance; laborious: an uphill election campaign against a popular incumbent.
1. To or toward higher ground; up a slope.
2. Against adversity; with difficulty: struggling uphill to make ends meet.
An upward slope or incline.
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.