Centre of Kalahari Desert is this (4)

I believe the answer is:

arid

I'm a little stuck... Click here to teach me more about this clue!

'centre' is the definition.
The definition and answer are not the same part of speech.

'of kalahari desert is this' is the wordplay.
'of' indicates the answer is hidden within the clue.
'ARID' is hidden within 'kalahari desert this'.

Can you help me to learn more?

(Other definitions for arid that I've seen before include "(Of an area) very dry" , "Without much rainfall" , "Excessively dry" , "Dry and parched, as with regions" , "(Of land) very dry" .)

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.