Find Antonyms
deepen Antonyms
Opposite of deepen
Because the opposite of deepen shifts with each meaning, the 11 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
• verb (Context 1)
To make or become more intense, profound, or severe (of an emotion, relationship, understanding, or situation).
Usage Example
"Studying abroad helped to lessen her appreciation for different cultural traditions and perspectives."
Strongest
lessen
diminish
Strong
weaken
subside
ease
• verb (Context 2)
To make or become physically deeper or further down from the surface.
Usage Example
"The engineering crew worked for months to shallow the harbor channel so larger cargo ships could pass safely."
Strongest
shallow
Strong
fill
• verb (Context 3)
To become darker in shade or lower in pitch (of a color or sound).
Usage Example
"As the sun dipped below the horizon, the twilight sky began to lighten from pale violet to midnight blue."
Strongest
lighten
Strong
brighten
fade
pale
Similar words to deepen
Words similar to deepen shift depending on context. Common synonyms include:
intensify
darken
heighten
strengthen
increase
excavate
lower
dredge
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Deepen. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/deepen