JLPT N2 Adverbs

すみやかに

promptly

こっそり

stealthily, secretly

のんびり

at ease, leisurely

ゆっくり

slowly

あっさり

easily, plainly

まるで

just like, as if

どっと

suddenly, all at once

すんなり

smoothly

さっぱり

refreshed, cleanly

ぱっと

suddenly, briskly

まじまじ

fixedly, intently

すかさず

without a pause, immediately

まぶたひらいて

in the blink of an eye

むやみに

recklessly, without thinking

すらり

slenderly, gracefully

がっかり

disappointed

ぐんぐん

steadily, rapidly

ひとしきり

for a while, thoroughly

むやみやたらに

indiscriminately, randomly

あくせく

laboriously, painstakingly

ぐっすり

soundly (usually used for sleep)

きっぱり

clearly, decisively

うっかり

carelessly, inadvertently

ぎりぎり

just barely, by a narrow margin

うろうろ

wandering around, loitering

ぎっしり

tightly packed

ぐったり

exhausted, limp

にっこり

with a smile

のろのろ

slowly, sluggishly

ひそひそ

in a whisper, secretly

たっぷり

plenty, a lot