Crossword Genius

Oddly, loud child is coherent (5)

Ross

I believe the answer is:

lucid

'coherent' is the definition.
(I've seen this before)

'oddly loud child' is the wordplay.
'oddly' indicates alternate letters.
'loud'+'child'='loudchild'
The alternating letters of 'loudchild' are 'LUCID'.

'is' is the link.

(Other definitions for lucid that I've seen before include "Shining, clearly" , "Coherent" , "Clear, easy to understand" , "Clearly expressed and altogether rational" , "Crystal clear" .)

I've seen this clue in The Times.
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