highest
adjectiveUK /ˈhaɪ.ɪst/
US /ˈhaɪ.ɪst/
The highest thing is the one that is farthest up.
The bird sat on the highest branch of the tree.
OTHER MEANINGS
2. The greatest in amount or level.
She got the highest score in the class.
3. Most important or most senior in rank.
He is the highest officer in the army.
4. The loudest in pitch or sound.
The singer hit the highest note of the song.