Crossword Genius

Like one's objections to weeds? (6)

Ross

I believe the answer is:

rooted

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'like' is the definition.
Both the definition and answer are adjectives. Maybe they are linked in a way I don't understand?

I can't explain the rest of the clue.

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(Other definitions for rooted that I've seen before include "(Of new cutting) firmly established" , "Firmly established and well planted" , "Stuck in one place, like plant" , "Firmly established in a plantlike way" , "Deeply felt" .)

I've seen this clue in the Evening Standard.
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