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Synonyms

A1

British  
/ ˈeɪˈwʌn /

adjective

  1. in good health; physically fit

  2. informal first class; excellent

  3. (of a vessel) with hull and equipment in first-class condition

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The pair, formally known as A1 and A0, are the oldest birds from their release cohort at nearly 7 years old — and the only ones old enough to reproduce.

From Los Angeles Times • Mar. 5, 2026

In Portugal a section of the A1 motorway linking Lisbon to Porto collapsed when a river burst its banks near Coimbra.

From BBC • Feb. 12, 2026

She fondly recalls the few times she nabbed an A1 boarding pass and felt like she had won the lottery.

From The Wall Street Journal • Jan. 27, 2026

Mike Richardson, the 66-year-old founder and owner of DSM, says he had tried to incorporate "nature" as much as possible into his data centre at a former RAF base just off the A1 near Peterborough.

From BBC • Nov. 15, 2025

A1 is half a foot taller than Will, and twice as broad.

From "Divergent" by Veronica Roth