stubbornly
● Firmly
● Inflexibly
● Resolutely
● Unreasonably
● Mulishly
● Obdurately
● Bullheadedly
● Contumaciously
● Determinedly
● Doggedly
● Fixedly
● Headstrongly
● Indomitably
● Intractably
● Persistently
● Pertinaciously
● Pigheadedly
● Recalcitrantly
● Resistantly
● Resolvedly
● Staunchly
● Steadfastly
● Stolidly
● Tenaciously
● Unamenably
● Unflinchingly
● Unimpressibly
● Unreasoningly
● Unrelentingly
● Unwaveringly
● Unyieldingly
● Willfully
● Graciously
● Obediently
● Opinionatedly
● Andy
● Assertive
● Brassbound
● Crank
● Cranking
● Cranks
● Dick
● Diehard
● Dogmatic
● Dogmatical
● Dogmatist
● Editorial
● Egotist
● Egotistic
● Essay
● Laura
● Opinative
● Opiniated
● Opiniatre
● Opinionate
● Opinionative
● Opinionator
● Opinioned
● Rock-ribbed
● Self-opinioned
● Sure
● Unbigoted
● Vain