1. Commonly encountered, experienced, or observed: the usual summer heat.
2. Regularly or customarily used: ended the speech with the usual expressions of thanks.
3. In conformity with regular practice or procedure: Come at the usual time.
As commonly or habitually happens: As usual, I slept late that Saturday morning.
[Middle English, from Old French usuel, from Late Latin ūsuālis, from Latin ūsus, use, from past participle of ūtī, to use.]
Synonyms: usual, accustomed, customary, habitual, inveterate
These adjectives apply to what is expected or familiar because it occurs frequently or recurs regularly: took my usual route to work; resolved the difficulty with her accustomed resourcefulness; observes the customary distinction between "lend" and "borrow"; didn't finish the project because of his habitual laziness; your inveterate fondness for puns.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 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.