near miss
noun
1. a narrowly avoided collision or other accident.
"she had a near miss when her horse was nearly sucked into a dyke"
synonyms: close thing, near thing, narrow escape, close call, nasty moment; informal close shave; informal narrow squeak
"two airliners were involved in a near miss yesterday"
2. a bomb or shot that just misses its target.
"he had escaped more than twenty near misses"