obdurate

As adjectives the difference between obdurate and obtrusive

is that obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent while obtrusive is sticking out; protruding.

As adjectives the difference between malicious and obdurate

is that malicious is of, pertaining to, or as a result of malice or spite while obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent.

As an adjective obdurate

is stubbornly persistent, generally in wrongdoing; refusing to reform or repent.

As a verb obturate is

to block up or obstruct.

As an adjective obdurate is

stubbornly persistent, generally in wrongdoing; refusing to reform or repent.

As adjectives the difference between indurate and obdurate

is that indurate is indurated, obstinate, unfeeling, callous while obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent.

As a verb indurate

is to harden or to grow hard.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective obdurate is

stubbornly persistent, generally in wrongdoing; refusing to reform or repent.

As adjectives the difference between mulish and obdurate

is that mulish is characteristic of a mule; stubborn, obstinate, or intractable while obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent.

As adjectives the difference between obdurate and unprayable

is that obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent while unprayable is not to be influenced or moved by prayers; obdurate.