all-or-none

adjective

Meaning

Involving a situation where a response or outcome must occur fully or not at all, with no intermediate state.

Examples

  • Nerve impulses follow an all-or-none principle, firing at full strength or not firing at all.
  • The project adopted an all-or-none approach, meaning we either complete every requirement or the entire deal is canceled.

Synonyms: binary, absolute, categorical, uncompromising