Completely take out a nail in the ground (10)

I believe the answer is:

annihilate

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

'completely take' is the definition.
'annihilate' can be an answer for 'take' (thesaurus). I'm unsure of the 'completely' bit.

'a nail in the ground' is the wordplay.
'ground' indicates anagramming the letters ('grind' the letters into a new form).
'nail'+'in'+'the'='nailinthe'
'nailinthe' anagrammed gives 'nnihilate'.
'a'+'nnihilate'='ANNIHILATE'

'out' is the link.

Can you help me to learn more?

(Other definitions for annihilate that I've seen before include "Completely defeat" , "Wipe out" , "Utterly destroy" .)

I've seen this clue in The Guardian.

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.