tallest
adjectiveUK /ˈtɔːlɪst/
US /ˈtɔːlɪst/
The tallest means the one that is higher than all the others.
The giraffe is the tallest animal in the zoo.
OTHER MEANINGS
2. Having the greatest height among a group of people.
My brother is the tallest person in our family.
3. Reaching the highest point or level.
That mountain is the tallest peak in the country.
4. Being the most exaggerated or unlikely, as in a story.
He told the tallest tale about catching a giant fish.