Frustrating
Definitions
Causing feelings of annoyance, discouragement, or dissatisfaction due to an inability to change or achieve something.
Preventing the progress, success, or fulfillment of a plan or desire.
Examples
It is incredibly frustrating when the computer crashes right before I finish my report.
Trying to assemble the furniture without clear instructions was a frustrating experience.
Synonyms
Exasperating Annoying Irritating Vexing Disheartening Aggravating Disappointing
Antonyms
Satisfying Encouraging Gratifying Pleasant Rewarding Helpful Delightful