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