deepen

definition: become more intense
example:
speech part: verb
synonyms: intensify
definition: make more intense, stronger, or more marked
example:
speech part: verb
synonyms: compound
definition: become deeper in tone
example:
speech part: verb
synonyms: change
definition: make deeper
example: They deepened the lake so that bigger pleasure boats could use it
speech part: verb
synonyms:
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