All

Adverbs (ふく) are words that modify other words (verbs, adjectives, other adverbs, and even full sentences).

In Japanese, adjectives can be turned into adverbs by adding に (ni) at the end. This is similar to the English ‘ly’, as in quickly.

# Romaji Japanese Grammar Meaning Level
1 aa ああ ah; yes N4
2 aida ni 間に【あいだに】 while; during~ something happened N4
3 amari~nai あまり~ない not very, not much ~ N4
4 ato de 後で【あとで】 after~; later N4
5 bikkuri びっくり to be surprised N4
6 daibu 大分【だいぶ】 considerably; greatly; a lot N4
7 dekiru dake できるだけ as much as possible N4
8 dondon どんどん rapidly; more and more N4
9 futsuu 普通 【ふつう】 usually N4
10 hakkiri はっきり clearly N4
11 hijou ni 非常に【ひじょうに】 extremely N4
12 ippai いっぱい Full N4
13 juubun 十分【じゅうぶん】 enough; sufficient; plenty; adequate; satisfactory N4
14 ka dou ka かどうか whether or not ~ N4
15 kanarazu 必ず【かならず】 always; certainly N4
16 kitto きっと surely; undoubtedly; almost certainly; most likely N4
17 kou こう this way N4
18 ku suru くする to make something ~ N4
19 kyuu ni 急に【きゅうに】 quickly; immediately; hastily; suddenly; abruptly; unexpectedly ~ N4
20 made ni までに by; by the time; indicates time limit N4
21 mazu まず first of all N4
22 mitai ni みたいに like; similar to ~ N4
23 moshi もし if; in case; supposing N4
24 mousugu もうすぐ soon N4
25 nakanaka~nai なかなか~ない not easy to; struggling to; not able to ~ N4
26 naruhodo なるほど now I understand N4
27 no naka de の中で【のなかで】 in; among ~ N4
28 sasuga さすが as one would expect; as is to be expected; even ~ N4
29 shikkari しっかり firmly; steadily N4
30 sonna ni そんなに so much; so; like that N4
31 sore hodo それほど to that extent N4
32 sorosoro そろそろ gradually; soon N4
33 sou da そうだ looks like; appears like; seeming ~ N4
34 sukkari すっかり completely N4
35 taitei たいてい usually N4
36 tamani たまに occasionally N4
37 tokuni 特に【とくに】 particularly; especially; in particular; expressly N4
38 toutou 到頭【とうとう】 finally, after all N4
39 tsugou 都合【つごう】 convenience N4
40 yappari やっぱり as I thought N4
41 yatto やっと at last; finally; barely; narrowly ~ N4
42 yori より than; rather than; more than ~ N4
43 zehi ぜひ by all means; certainly; definitely ~ N4
44 zenzen 全然【ぜんぜん】 not entirely (used in a negative sentence) N4
45 zenzen~nai 全然~ない【ぜんぜん~ない】 (not) at all N4