Learner's definition of ANYTIME
at any time
You can call me anytime. I'm always home.
We should arrive anytime between 5 and 6 p.m.
The bus should be here anytime now.
Things will not improve anytime soon. [=things will not improve in the near future]
◊ Anytime is sometimes used informally to say that you are willing to do something again at any time.