Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "let-alone" in a sentence
"LAISSEZ-FAIRE, the let-alone policy of each for himself and devil take the hindmost."
"She can barely manage a complete thought let-alone construct an argument or theory or expound with any relevance on an issue."
"It is the let-alone policy, the struggle for existence, which strengthens the strong, destroys the weak, and makes a finer and more capable breed of men."