A little anxiety after Right topples Left (6)

I believe the answer is:

rather

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

'a little' is the definition.
(thesaurus)

I can't explain the rest of the clue.

(Other definitions for rather that I've seen before include "To a limited degree" , "Infinite time" , "On the contrary; more precisely" , "More willingly, by preference" , "More precisely; instead of" .)

I've seen this clue in The Hindu.

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