Synonyms of 'concentrated'
Sweeten dishes with honey or concentrated apple juice.
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You use deep to emphasize the seriousness, strength, importance, or degree of something.
a period of deep personal crisis
Intense is used to describe something that is very great or extreme in strength or degree.
He was sweating from the intense heat.
Thesaurus for concentrated from the Collins English Thesaurus
A concentrated liquid has been increased in strength by having water removed from it.