N2 — outside your level filter
Modifies the end of the sentence directly and takes no だ/です, so there are no forms to conjugate.
なおいっそう
naoissouyet further still, ever more (intensifying an existing trend)N2adverb
Example sentences2
練習を重ねるほど、なおいっそう上達する。
renshuu o kasaneru hodo, naoissou joutatsu suru.
The more you practise, the more your skill improves still further. neutral
今後、なおいっそう努力してまいります。
kongo, naoissou doryoku shite mairimasu.
Going forward, I will make even greater efforts. formal