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The Britannica Dictionary
A1
1 ENTRIES FOUND:
A1
(adjective)
A1
/
ˈ
eɪ
ˈ
wʌn/
adjective
A1
/
ˈ
eɪ
ˈ
wʌn/
adjective
Britannica Dictionary definition of A1
informal + somewhat old-fashioned
:
very good or excellent
The car's in
A1
condition.
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What are the plural forms of
check-in
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passerby
, and
spoonful
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expensive
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costing a lot of money
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