faulty
/ˈfɔlti/ adjective B2- Having or displaying faults; not perfect; not adequate or acceptable. · They replaced the faulty wiring and it has worked fine ever since.· I don't think you can infer that from the premise. It's a faulty argument.
Comparative faultier · Superlative faultiest
From the library
Elizabeth here felt herself called on to say something in vindication of his behaviour to Wickham; and, therefore, gave them to understand, in as guarded a manner as she could, that by what she had heard from his relations in Kent, his actions were capable of a very different construction; and that his character was by no means so faulty, nor Wickham’s so amiable, as they had been considered in Hertfordshire.
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