pertinaciously


per·ti·na·cious

P0212600 (pûr′tn-ā′shəs)adj.1. Holding tenaciously or stubbornly to a purpose, opinion, or course of action: a pertinacious heretic; pertinacious defiance.2. Extremely persistent or unyielding: pertinacious researchers.
[From Latin pertināx, pertināc- : per-, per- + tenāx, tenacious (from tenēre, to hold; see ten- in Indo-European roots).]
per′ti·na′cious·ly adv.
Thesaurus
Adv.1.pertinaciously - in a dogged and pertinacious manner; "he struggled pertinaciously for the new resolution"
Translations
hartnäckig