yawner
/ˈjɔːnər/
noun
- A person who yawns.
- The yawner tried to be discreet, but everyone saw.
- The teacher noticed a yawner in the back row.
- He was a frequent yawner during early morning classes.
- Something that is very boring; a dull event or thing.
- That game was a yawner, with no goals until the final minute.
- The speech was such a yawner that people started checking their phones.
- The documentary was a real yawner; I couldn't stay awake.