嘘つき

From 嘘 (uso, “a lie”) + つく (tsuku, “to tell (a lie)”). Literally "lie teller", or "liar".

• (Tokyo) うそつき [ùsóꜜtsùkì] (Nakadaka – [2])^[1]
• IPA^(key): [ɯ̟so̞t͡sɨkʲi]

嘘(うそ)つき • (usotsuki) 

1. liar; fibber
   • 2007, 新時代日漢辭典 / 新时代日汉辞典 (Xīn Shídài Rì-hàn Cídiǎn), 1st edition, 大新書局 / 大新书局 (Dàxīn Shūjú), →ISBN:

     彼(かれ)は嘘(うそ)吐(つ)きですから信(しん)用(よう)が出(で)来(き)ません

     Kare wa usotsuki desu kara shin'yō ga dekimasen

     Because he is a liar, he cannot be trusted

• Often used with not much seriousness.

• 噓(うそ)つきは泥(どろ)棒(ぼう)の始(はじ)まり (usotsuki wa dorobō no hajimari, “Someone who can lie with ease will not think theft is bad.”)

• 嘘(うそ)を吐(つ)く (uso o tsuku, “to tell a lie”)
• 嘘(うそ)つけ (usotsuke)