To make something stronger, more forceful, or more frequent; to increase the intensity of something.
example
Die Polizei hat ihre Suche nach dem Vermissten intensiviert.
The police have intensified their search for the missing person.
Usage tips
Word family
The verb 'intensivieren' (to intensify) is derived from the adjective 'intensiv' (intensive). It literally means to make something intensive.
EXAMPLE
Wir müssen unser Training intensivieren, wenn wir gewinnen wollen.
We need to intensify our training if we want to win.
Use with accusative
'Intensivieren' (to intensify) is a transitive verb and always needs an object in the accusative. You always intensify *something*.
EXAMPLE
Das Unternehmen will seine Marketingaktivitäten intensivieren.
The company wants to intensify its marketing activities.
Typical collocations
'Intensivieren' (to intensify) is often used with abstract nouns such as 'die Bemühungen' (the efforts), 'die Zusammenarbeit' (the cooperation), 'die Kontrollen' (the checks/inspections), or 'die Suche' (the search).
EXAMPLE
Die beiden Länder haben beschlossen, ihre Zusammenarbeit zu intensivieren.
The two countries have decided to intensify their cooperation.
Compare with
near_synonym · confusable
intensivieren vs erhöhen
to increase
'erhöhen' and 'intensivieren' can both mean that something becomes stronger. 'Erhöhen' is broader and fits with numbers, prices, amounts, values, or also intensity. 'Intensivieren' fits especially when an action, contact, training, or effect becomes stronger, more frequent, or more forceful. Learners may confuse the words because 'intensivieren' often means something like 'make stronger'. But you increase a price, for example, while you intensify conversations, exercises, or checks.
intensivieren
Nach der Verletzung intensiviert Mehmet langsam sein Training.
After the injury, Mehmet is slowly intensifying his training.