カチカチ

hard, solid, ticking, clicking

→ かちかち
adverb Rare #29,674
hard, solid Often used with に to mean “completely hard” or “solid.”
JA: 水がカチカチに凍っている。
EN: The water is frozen solid.
ticking, clicking Describes a repeated sharp sound, such as a clock ticking.
JA: 時計がカチカチ鳴っている。
EN: The clock is ticking.

カチカチ凍ってる

It's frozen solid.

聞こえる時計カチカチというだけだった

The only sound that could be heard was the ticking of the clock.

寝れないに限って時計カチカチいう音が気になるものだ

It’s always when you can’t sleep at night that the ticking of the clock starts to bother you.

カチカチ

It's rock hard.

カチカチ

Click, click.

— Good Luck, Have Fun, Don't Die (2026)