1.
hitting against a wall; wall practice
practicing a ball sport by hitting or throwing a ball against a wall, typically done alone as training
2.
talking to oneself; brainstorming alone; bouncing ideas off a wall
figuratively, the act of working through ideas or problems without a real conversation partner, as if hitting a ball against a wall
Originally a sports term for solo practice by hitting a ball against a wall (tennis, squash, baseball). In recent years, the figurative sense of brainstorming or testing ideas has become very common in business and tech contexts, especially with the rise of AI chatbots being used as a "wall" to bounce ideas off of.
Common collocations
- 壁打ちの相手: brainstorming partner (literally "wall-hitting partner")
- 壁打ち練習: wall-hitting practice
- AIと壁打ちする: to brainstorm with AI
- 壁打ちに付き合う: to help someone brainstorm
Similar words
- ブレインストーミング: brainstorming — the English loanword, used for structured group ideation
- 素振り: practice swings — solo practice of swinging a bat or racket without a ball
- 自問自答: self-questioning — asking and answering one's own questions internally
Related Words
Compare:
ブレインストーミング (brainstorming)
Compare:
素振り (practice swings)
Compare:
自問自答 (self-questioning)