intensification

UK: /ɪnˌtɛnsɪfɪˈkeɪʃ^ən/ US: /ɪnˌtɛnsəfɪˈkeɪʃən/

WordReference Random House Learner's Dictionary of American English © 2025

in•ten•si•fy /ɪnˈtɛnsəˌfaɪ/   v., -fied, -fy•ing. 

1. to (cause to) become intense or more intense: [no object]
   The pain in my back seemed to intensify.
   [~ + object]
   Stretching out on the floor intensified the pain.

in•ten•si•fi•ca•tion /ɪnˌtɛnsəfɪˈkeɪʃən/  n. [uncountable] See -tend-.

WordReference Random House Unabridged Dictionary of American English © 2025

in•ten•si•fy  (in ten′sə fī′), v., -fied, -fy•ing. 
v.t. 

1. to make intense or more intense.
2. to make more acute;
   strengthen or sharpen.
3. [Photog.] to increase the density and contrast of (a negative) chemically.

v.i. 

4. to become intense or more intense.

• intense + -ify 1810–20

in•ten′si•fi•ca′tion, n. 
Synonyms

• 1, 2. deepen, quicken, concentrate. See aggravate. 

Antonyms

• 1. alleviate, weaken.