His conduct, as the Juge d'Instruction told him, without mincing matters, was undeniably louche.
"The Mark Of Cain"
Andrew Lang
Of course her cousins and their friends hated her: she had won their bonne louche, and the crimson of her plainness and poverty, of the having to "have Percy always around to please Uncle Rufus," was pink to the enormity of her being Ross Norval's wife.
"Not Pretty, But Precious"
John Hay, et al.
"To me there is something"-he hesitated, seeking for an English word which should exactly express the French word "louche"-"sinister-that is the word I am looking for-there is to me something sinister about the Wachners."
"The Chink in the Armour"
Marie Belloc Lowndes