Crossword Genius

Brilliant raid with train that's in motion (9)

Ross

I believe the answer is:

irradiant

'brilliant' is the definition.
(both can mean shining)

'raid with train that's in motion' is the wordplay.
'with' means one lot of letters go next to another.
'that's in motion' is an anagram indicator (letters move around).
'raid'+'train'='raidtrain'
'raidtrain' with letters rearranged gives 'IRRADIANT'.

I've seen this clue in The Guardian.
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