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Beginner's Dictionary
       

flat

 
 
pronunciation:
flaet
part of speech: adjective
inflections: flatter, flattest
definition 1: having a surface that does not have higher and lower places; smooth; even.
It is important that a tennis court be flat.
 
synonyms:
even, smooth
antonyms:
curved, plump, rounded, uneven
similar words:
level
definition 2: having little or no air.
The flat tire on his car made him late for work.
derivations: flatly (adv.), flatness (n.)