deepen
deep‧en /ˈdiːpən/
verb1. GET WORSE [intransitive] if a serious situation deepens, it gets worse – used especially in news reports:
The recession continues to deepen.
a deepening international crisis
2. BECOME STRONGER [intransitive and transitive] to become stronger or greater, or to make something stronger or greater:
Jeanne liked Simon as a friend but she did not want the relationship to deepen.
The idea only deepened his gloom.
The mystery deepened (=became even more mysterious).
Students explore new ideas as they deepen their understanding (=understand more) of the subject.
3. EXPRESSION ON SB’S FACE [intransitive] literary if someone’s smile or frown deepens, they smile even more or frown even more:
Her worried frown deepened.
4. WATER [intransitive and transitive] if water deepens, or if someone deepens it, it becomes deeper:
The river deepens beyond the town.
The harbour was deepened to take bigger boats.
5. COLOUR [intransitive] literary if light or a colour deepens, it becomes darker:
The twilight deepened.
6. SOUND [intransitive] if a sound deepens, it becomes lower:
His voice deepened as he relaxed.
7. BREATH [intransitive] if your breathing deepens, you take more air into your lungs
deep‧en /ˈdiːpən/
verb1. GET WORSE [intransitive] if a serious situation deepens, it gets worse – used especially in news reports: 2. BECOME STRONGER [intransitive and transitive] to become stronger or greater, or to make something stronger or greater:
3. EXPRESSION ON SB’S FACE [intransitive] literary if someone’s smile or frown deepens, they smile even more or frown even more:
4. WATER [intransitive and transitive] if water deepens, or if someone deepens it, it becomes deeper:
5. COLOUR [intransitive] literary if light or a colour deepens, it becomes darker:
6. SOUND [intransitive] if a sound deepens, it becomes lower:
7. BREATH [intransitive] if your breathing deepens, you take more air into your lungs