Crossword Genius

Spontaneous umpire attended sports (14)

Ross

I believe the answer is:

unpremeditated

'spontaneous' is the definition.
(thesaurus)

'umpire attended sports' is the wordplay.
'sports' indicates an anagram (I've seen 'sport' mean this).
'umpire'+'attended'='umpireattended'
'umpireattended' is an anagram of 'UNPREMEDITATED'.

I've seen this clue in The Independent.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.