a. Done by habit: habitual lying.
b. Being so by habit: a habitual liar. See Synonyms at chronic.
2. Established by long use; usual: my habitual place. See Synonyms at usual.
3. Grammar Designating an action or state that lasts for or is repeated over an extended duration, expressed in English by such means as the simple present tense (She works downtown) and the phrase used to (A factory used to be located at that intersection).
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.