Mistaken in judgment or reasoning

Inappropriate or misguided

गलत निर्णय या तर्क में

English Usage: His wrongheaded beliefs led him to make poor decisions.

Hindi Usage: उसके गलत निर्णय ने उसे खराब फैसले लेने पर मजबूर किया।

Unreasonable or illogical

बेकार या तर्कहीन

English Usage: His wrongheaded argument was quickly dismissed by the experts.

Hindi Usage: उसका तर्कहीन तर्क जल्दी ही विशेषज्ञों द्वारा खारिज कर दिया गया।