Nihoner

“Participating without registering beforehand” in Japanese

Short answer
飛び入り tobiiri とびいり

Participating without registering beforehand in Japanese is “飛び入り” (tobiiri). Full meaning: taking part on the spur of the moment, participating without registering beforehand, last-minute entrant; specking on flower petals.

Other ways to say “Participating without registering beforehand” in Japanese

Looking for the other direction? Search any Japanese word in the Nihoner lexicon, or practise what you have learned in the learning games.