あたふた（と）
in a hurry
→ I overslept and got ready to go out in a hurry.
いそいそ（と）
cheerfully / eagerly
→ She had a date and left the office excitedly.
がっしり（と）
sturdily / solidly built
→ Practicing judo, he has a firmly built physique.
がらがら
empty
→ Since it's a weekday daytime, the movie theater seats are empty.
がらりと／がらっと
suddenly
→ After cutting her hair, her atmosphere changed suddenly.
かんかん（に）
furiously angry
→ Because I lied, my father is furiously angry.
きちっと
properly / neatly
→ Properly button up the shirt to the very top.
ぎっしり（と）
tightly packed
→ The suitcase is tightly packed with souvenirs.
きっちり（と）
tightly / precisely
→ Close the window lock tightly before going out.
くすくす
giggling
→ The girls in the back seats are giggling during class.
ぐずぐず
hesitatingly
→ If you keep acting hesitatingly, the train will leave you behind.
くたくた
exhausted
→ Walking around the amusement park all day, I'm completely exhausted.
くっきり（と）
clearly
→ On a clear winter day, Mt. Fuji can be seen clearly.
ぐっと
suddenly
→ Autumn came, and the temperature suddenly dropped.
くらくら
dizzy
→ My fever is high, and I feel dizzy when I stand up.
ころころ
rolling
→ An acorn goes rolling down the slope.
こつこつ（と）
diligently
→ Diligently memorize Japanese kanji every day.
ごちゃごちゃ（と）
messy
→ The top of his desk is messy with things.
じめじめ
damp
→ During the rainy season, the room is damp and uncomfortable.
