Definitions

1. noun

the state or quality of being tall; a tall person or thing

“Her tallness made her stand out in the crowd.”

2. noun

the quality of being impressive or imposing because of height or grandeur

“The grandeur of the skyscraper was a testament to its tallness.”

3. noun

the state or condition of being long or extended in distance or duration

“The tallness of the mountain range was a challenge to climb.”