Synonyms of 'concave'
hollowDictionary, cupped, depressed
Remove the flesh from the concave part of the shell.
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A depressed point on a surface is lower than the parts around it.
Manual pressure is applied to a depressed point on the body.
A surface that is hollow curves inwards.
Thesaurus for concave from the Collins English Thesaurus
A surface that is concave curves inwards in the middle .