Get used to means becoming accustomed to an action/state. It was different/difficult at first, but now you are more familiar with it.
For example: I am getting used to eating spicy food. The food in England is pretty plain. At first it was different for my taste buds, now they are becoming accustomed to the different flavours.
Here are a few more examples.
Are you getting used to using ‘getting used to’ yet?
past tense – got used to
You can use ‘get used to’ in the past tense too. It means you are now fully accustomed to the change.
For example: I got used to working the night shift after about 3 weeks.
Take a look at the graphic below, it’s a timeline of ‘getting used to’ something.
future tense – will get used to
You can also use ‘get used to’ in the in the future tense. This means you will become accustomed to the change in the future (or you hope you will!).
For example: The baby will get used to not having an afternoon nap soon.
Here’s another timeline for you.
not getting used to (negation)
You can make the clause negative by adding ‘not’ before ‘getting’. This shows the speaker is having difficulty becoming accustomed to the new activity.
For example: I am not getting used to my neighbour’s new baby crying all night. i.e. The activity isn’t getting any easier and will not get any easier in the near future.