32 synonyms of flaw from the Merriam-Webster Thesaurus, plus 70 related words, definitions, and antonyms. n. 1. What does FLAW stand for? flaw synonyms, flaw pronunciation, flaw translation, English dictionary definition of flaw. What does FLAW mean? Synonyms for flaws include imperfection, abnormality, deformity, faultiness, faults, irregularity, disfigurement, malformation, misshapenness and ugliness. An imperfection, often concealed, that impairs soundness: a flaw in the crystal that caused it to shatter. Flaw: something that spoils the appearance or … flaw definition: 1. a fault, mistake, or weakness, especially one that happens while something is being planned or…. 1 definitions of FLAW. Information and translations of FLAW in the most comprehensive dictionary definitions resource on … What does flaw mean? Find more ways to say flaw, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Another word for flaw. A defect; fault; error. Find another word for flaw. Definition of Character flaw in the Definitions.net dictionary. Flaw definition is - a defect in physical structure or form. Information and translations of Character flaw in the most comprehensive dictionary definitions resource on the web. Define flaw. (noun) A flaw in a legal document, in one's reasoning, etc. Learn more. Another word for flaw: error, mistake, fault, blunder, inaccuracy | Collins English Thesaurus (2) How to use flaw in a sentence. Definition of FLAW in the Definitions.net dictionary. Meaning of Character flaw. Meaning of FLAW. Synonyms for flaw include failing, imperfection, weakness, defect, shortcoming, foible, blemish, deficiency, inadequacy and lack. What does Character flaw mean? Definition of FLAW in Slang/Internet Slang.