Sharp right, there may be a dip (5)

I believe the answer is:

rapid

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'sharp' is the definition.
(thesaurus)

'right there may be a dip' is the wordplay.
'right there' becomes 'r' (common abbreviation. I am not sure about the 'there' bit.).
'may be' indicates an anagram.
'a'+'dip'='adip'
'adip' with letters rearranged gives 'apid'.
'r'+'apid'='RAPID'

Can you help me to learn more?

(Other definitions for rapid that I've seen before include "Showing pace" , "Fast, quick" , "Prompt" , "Happening quickly" , "Speedy, quick" .)

I've seen this clue in the Evening Standard.

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