ABSENCE - [noun] the state or time of not being in a particular place
Examples of use
I asked my neighbours to look at my house during my absence.
Your absence last week does not justify your not being prepared for today's classes.
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English speaking practise
Remember that if you don't use that word in English conversations or writing you'll forget it in a short time. So the best thing you can do to learn this word is just trying to use it in speaking or writing. Remember also that practise is the key to fluent english speaking.
You can always find a partner, who would also like to improve his/her