haasteellisesti

== Finnish == === Etymology === haasteellinen +‎ -sti === Pronunciation === IPA(key): /ˈhɑːsteːlːisestiˣ/, [ˈhɑ̝ːs̠te̞ːlːiˌs̠e̞s̠ti(ʔ)] Rhymes: -esti Syllabification(key): haas‧teel‧li‧ses‧ti Hyphenation(key): haas‧teel‧li‧ses‧ti === Adverb === haasteellisesti (comparative haasteellisemmin, superlative haasteellisimmin) challengingly