relaxen
to relax
To relax, rest, and recover, often after stress or effort. The word is a colloquial borrowing from English.
Am Wochenende will ich einfach nur zu Hause auf dem Sofa relaxen.
At the weekend, I just want to relax at home on the sofa.

to relax
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to relax
To relax, rest, and recover, often after stress or effort. The word is a colloquial borrowing from English.
Am Wochenende will ich einfach nur zu Hause auf dem Sofa relaxen.
At the weekend, I just want to relax at home on the sofa.

As a loanword from English, 'relaxen' (to relax) forms the past participle without the prefix 'ge-'. So it is 'hat relaxt' (has relaxed), not 'hat gerelaxt'.
Nach der langen Wanderung haben wir am Abend nur noch relaxt.
After the long hike, we just relaxed in the evening.
The word 'relaxen' (to relax) is used mainly in informal colloquial speech. It is a very common everyday word, especially among younger people.
Was machst du heute Abend? – Ich glaube, ich relaxe einfach auf dem Balkon.
What are you doing this evening? – I think I'll just relax on the balcony.
'Relaxen' (to relax) is often connected with places or times of rest. Typical phrases are 'im Urlaub relaxen' (to relax on vacation), 'am Strand relaxen' (to relax on the beach), or 'am Wochenende einfach mal relaxen' (to just relax at the weekend).
Im Urlaub möchte ich am liebsten nur am Pool liegen und relaxen.
On vacation, I mostly just want to lie by the pool and relax.
to relax
'sich entspannen' and 'relaxen' both mean that you rest and reduce stress. 'sich entspannen' is neutral and fits in almost all situations, including more serious or written texts. 'relaxen' sounds more colloquial and modern. It is used more among friends or in casual conversations. If you are unsure, 'sich entspannen' is usually the more natural and safer choice.

Nach der Arbeit relaxen wir oft noch kurz im Park.
After work, we often relax in the park for a little while.
Zur Vorbereitung auf die Prüfung hat sie sich am Abend bewusst entspannt.
To prepare for the exam, she consciously relaxed in the evening.