"obstinate" in the verb sense
1. obstinate
persist stubbornly
"he obstinates himself against all rational arguments"
"obstinate" in the adjective sense
1. stubborn, obstinate, unregenerate
tenaciously unwilling or marked by tenacious unwillingness to yield
2. cussed, obdurate, obstinate, unrepentant
stubbornly persistent in wrongdoing
3. contrary, obstinate, perverse, wayward
resistant to guidance or discipline
"Mary Mary quite contrary"
"an obstinate child with a violent temper"
"a perverse mood"
"wayward behavior"
Source: WordNet® (An amazing lexical database of English)
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