pertinacious

As adjectives the difference between pertinacious and recalcitrant

is that pertinacious is holding tenaciously to an opinion or purpose while recalcitrant is recalcitrant, rebellious.

Pertinacious is a related term of starched.

As adjectives the difference between pertinacious and starched

is that pertinacious is holding tenaciously to an opinion or purpose while starched is of or pertaining to a garment which has had starch applied.

As a verb starched is

(starch).

As adjectives the difference between pertinacious and adament

is that pertinacious is holding tenaciously to an opinion or purpose while adament is .

As adjectives the difference between pertinacious and determined

is that pertinacious is holding tenaciously to an opinion or purpose while determined is decided; resolute, possessing much determination.

As a verb determined is

past tense of determine.

As adjectives the difference between pertinacious and importunate

is that pertinacious is holding tenaciously to an opinion or purpose while importunate is of a demand: persistent or pressing, often annoyingly so.

As a verb importunate is

to importune, or to obtain by importunity.

As adjectives the difference between pertinacious and unwavering

is that pertinacious is holding tenaciously to an opinion or purpose while unwavering is never doubted; always steady and on course.

As adjectives the difference between impenitent and pertinacious

is that impenitent is not penitent; not repenting of sin; not contrite; of a hard heart while pertinacious is holding tenaciously to an opinion or purpose.

As a noun impenitent

is one who is not penitent.

As adjectives the difference between pertinacious and impertinent

is that pertinacious is holding tenaciously to an opinion or purpose while impertinent is insolent, ill-mannered.

As a noun impertinent is

an impertinent individual.

Pertinacious is a related term of harsh.

As adjectives the difference between pertinacious and harsh

is that pertinacious is holding tenaciously to an opinion or purpose while harsh is unpleasantly rough to the touch or other senses.

As a verb harsh is

(slang) to negatively criticize.

Pertinacious is a related term of formal.

As an adjective pertinacious

is holding tenaciously to an opinion or purpose.

As a noun formal is

an objective.