1 A beginning of mystery menaced "the established order of things," which was suspicious and underhand.
Les Misérables (V3) By Victor HugoContext Highlight In BOOK 4: CHAPTER I—A GROUP WHICH BARELY MISSED BECOMING HISTORIC
2 It is obscure because it is underhand.
Les Misérables (V4) By Victor HugoContext Highlight In BOOK 7: CHAPTER III—SLANG WHICH WEEPS AND SLANG WHICH LAUGHS
3 "Oh, it's nothing underhand," he assured me.
4 But, you see, from the mother's breast the colored child feels and sees that there are none but underhand ways open to it.
5 He had suspected his agent of some underhand dealing; of meaning to bias him against the deserving; and he had determined to go himself, and thoroughly investigate the merits of the case.
6 Mr. Duffy, however, had a distaste for underhand ways and, finding that they were compelled to meet stealthily, he forced her to ask him to her house.