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