aeronautical

adjective

aero·​nau·​ti·​cal ˌer-ə-ˈnȯ-ti-kəl  -ˈnä- 

variants or aeronautic

ˌer-ə-ˈnȯ-tik 

-ˈnä-

: of or relating to aeronautics

aeronautically

ˌer-ə-ˈnȯ-ti-k(ə-)lē 

-ˈnä-

adverb

Word History

Etymology

aeronautical expansion of aeronautic after nautical; aeronautic borrowed from New Latin aëronauticus, from Greek aero- aero- + nautikós "of ships, of seafaring"

First Known Use

1754, in the meaning defined above

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Rhymes for aeronautical

• astronautical
• nautical