Definitions

1. adjective

having or showing a great height or altitude

“The altitudinous peaks of the Himalayas were breathtaking to behold.”

2. adverb

to a great height or altitude

“The plane flew altitudinous above the clouds.”

3. noun

a person of high social status or a haughty or proud person

“He was known to be an altitudinous aristocrat with a reputation for being condescending.”