Meaning of “relax” - Learner’s Dictionary

relax

verb uk us /rɪˈlæks/
PERSON [ I, T ]

B1 to become happy and comfortable because nothing is worrying you, or to make someone do this:

I find it difficult to relax.
The wine had relaxed him and he began to talk.
LESS STIFF [ I, T ]

If a part of your body relaxes, it becomes less stiff, and if you relax it, you make it become less stiff:

Try these exercises to relax your neck muscles.
RULES [ T ]

to make laws or rules less severe:

The government has recently relaxed laws on bringing animals into Britain.
relaxation uk us /ˌriːlækˈseɪʃən/ noun [ U ]

(Definition of “relax” from the Cambridge Learner’s Dictionary © Cambridge University Press)