deepen
Translation
to deepen, to intensify
Examples
They deepened the harbour for large ships.
They deepened the harbor for large ships.
His voice deepened with age.
His voice deepened with age.
The crisis deepened overnight.
The crisis deepened overnight.
Grammar Patterns
((sth.)) to deepen (sth.) We need to deepen our understanding.
((...)) to deepen (intransitive) The mystery only deepened.
Similar Words
Synonyms: intensify, strengthen; Antonyms: lessen, weaken
Etymology
From the adjective 'deep' plus the verbal suffix '-en', meaning 'to make deep'.
Memory Tips
The suffix '-en' often turns an adjective into a verb (e.g., wide -> widen, short -> shorten).