backhanded

adjectives

(of racket strokes) made across the body with back of hand facing direction of stroke
roundabout or ambiguous
"attacks from that source amounted to a backhanded compliment to his integrity"; "a backhanded and dishonest way of reaching his goal"
is similar to
extended senses; not direct in manner or language or behavior or action
"making indirect but legitimate inquiries"; "an indirect insult"; "doubtless they had some indirect purpose in mind"; "though his methods are indirect they are not dishonest"; "known as a shady indirect fellow"