Across
18d
(and 18 Down) Eccentric in hot pants got to show great determination (4,2,7)
Upsets in sport, with right wingers in unfamiliar battles (8)
Soprano in prelude from Samuel Barber periodically clutching fine bust (5-5)
Misty zone covered in grass (4)
For example, B to C, E to F, or the inverse of X and I (8)
Let go of worker following extremists in union (6)
Internet tour operator getting case (4)
Feminist I drove away embraces lover (2,8)
Acrobatic performance European nurses caught on holiday (5-5)
Experienced protagonist in Kafka novel (4)
Old queen holds appendix (6)
Feet of horses (8)
One might easily be cowed with terror (4)
Chart time off touring Italy - an activity for summer? (10)
Sell coats round old back street in March with difficulty (8)
Diner scoffing seconds when eggs are on the menu (6)
Down
What idiot put up tax? (5)
Bang on entrance to palace at once, if it's unstable (11)
Banned cricketer after skying balls (5)
Maxim gun soldiers overturned encased in lead (7)
Tutor once again about to keep tabs on money (2-7)
What saves frontrunner in government that's revolting (3)
Very involved in covers of biweekly publication filled by worker? (9)
Drop litter and lose it (4,7)
Broadcast a rant in Oscars inspiring Hollywood figure (9)
Magistrate's absorbing day, given party game (9)
See 1 Across
Taps into valuable mineral coloured like rust (5)
Hike in sunshine, we hear (5)
Left to cut right flowers here? (3)
Type letters or click words in the clue