A “liar” is someone who tells lies or false information, intentionally or unintentionally. Synonyms trickster cheat slicker storyteller fabricator beguiler false witness perjurer cheater fibber prevaricator …Liar Meaning. a person who has lied or who lies repeatedly. It comes from the old English word “leogere,” meaning someone who lies or is a hypocrite.Find 26 ways to say PROLIFIC, along with antonyms, related words, and example sentences at, the world's most trusted free thesaurus.noun. “Liar” has been used in the English language for many centuries, dating back to the 14th century. Show me a liar, and I'll show youLiar Meaning. Outside Examples184+16 sentence examples: 1. Lier contains an e, like the word recline. Liar contains an a, like the word cheat or fabricate, both synonyms of lie. Luckily, you can still use their spelling to remember which word has which meaning. These two words both come from the verb lie, which makes them a little more confusing. a person who has just told a lie or who…. very obvious and intentional, when this is a bad thing: 2.