insinuating
adjective
tending to instill doubts, distrust, etc.; suggestive.
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"And you must observe, Mr. Hazlehurst, that is a fact which might look ugly before a jury that did not know you," remarked Mr. Clapp; in a sort of half-cunning, half-insinuating manner.
From Elinor Wyllys, Volume 2 by Susan Fenimore Cooper