Fall through

verb

Definitions

Verb
  1. 1
    Used other than figuratively or idiomatically: see fall, through.
  2. 2
    fail utterly; collapse wordnet
  3. 3
    To be unsuccessful, come to nothing; to be cancelled; not to proceed. idiomatic, intransitive

    "Their plans to go hiking Saturday fell through because it rained."

Next best steps

Mini challenge

Unscramble this word: fallthrough