突然

N1 公然 kouzen openly N1 突如 totsujo suddenly, all of a sudden N1 突破 toppa breaking through, breakthrough, penetration N1 整然 seizen orderly, regular, well-organized N1 断然 danzen firmly, absolutely, definitely N1 突っ突く tsuttsuku to prompt someone N1 突っ張る tsupparu to support, to become stiff; to thrust (ones opponent), to stick to (ones opinion), to insist on N1 漠然 bakuzen obscure, vague, equivocal N1 呆然 bouzen dumbfounded, overcome with surprise

N3 突 totsu, ka / tsu.ku stab, protruding, thrust N3 然 zen, nen / shika, shika.ri, shika.shi, sa sort of thing, so, if so