1. Conspicuously bad, offensive, or reprehensible: a flagrant miscarriage of justice. See Usage Note at blatant.
2. Obsolete Flaming; blazing.
[Latin flagrāns, flagrant-, present participle of flagrāre, to burn; see bhel-1 in the Appendix of Indo-European roots.]
flagran·cy, flagrance n.
Synonyms: flagrant, glaring, gross, egregious, rank2
These adjectives refer to what is conspicuously bad or offensive. Flagrant applies to what is offensive to a serious or appalling degree: flagrant disregard for the law; a flagrant example of racial prejudice.
What is glaring is disturbingly or painfully obvious: a glaring error; glaring contradictions.
Gross suggests a magnitude of offense or failing that cannot be condoned or forgiven: gross ineptitude; gross injustice.
Something egregious is so offensive as to provoke outrage or condemnation: an egregious lie.
What is rank is highly offensive or repugnant: rank stupidity; rank treachery.
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.