eye-opening
/ˈʌɪˌəʊp(ə)nɪŋ
/adjective
(Of an event or situation) unexpectedly enlightening: this documentary should be an eye-opening experience to all...
- It was an eye-opening experience to observe how my students used their talents to produce such a wonderful performance.
- This book is an eye-opening look into the life of a gay teen.
- This is a fascinating and eye-opening account of the experiences of former members of the party.