: having the highest possible classification
used of a ship
: of the finest quality : first-rate

Examples of A1 in a Sentence

The car's in A1 condition. an A1 mom deserves only the very best Mother's Day card

Word History

First Known Use

1801, in the meaning defined at sense 1

Time Traveler
The first known use of A1 was in 1801

Dictionary Entries Near A1

Cite this Entry

“A1.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/A1. Accessed 30 Nov. 2023.

Kids Definition


: of the very best kind
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