Across
Traditional social event is unfortunately canned by lawyers (9)
Head boy initially introduces rule over headphones (5)
Evacuation chairs sat abandoned (9)
Discontented player receives zero points for difficult question (5)
Aspirations? Wanting one nice place to live (6)
Range of muscle displayed in David Gilmour's action? (8)
Knowledgeable person at university cutting grass area for dragonflies (7)
Scandal at first informal chat going about concerning Saint Nicholas? (7)
In frank and confidential manner male soldiers hide nothing (8)
Dilutes potential waste product protecting river (6)
Expression of surprise about one's wealth (5)
Out of university uncovered sedatives for judge (9)
Fraternity member described by team as one-dimensional (5)
Two parties polarised after Democrat cuts Star Spangled Banner in half (9)
Down
How much? That's going to hurt (6)
Escaping deranged hunter's trailing leg (8)
Medic in Austria on vacation pulled up kinky sex trousers - spicy stuff! (6)
Overshadow telecoms provider claiming high speeds (7)
On strike following unsuccessful wintry experiment (6)
New appearance after badly bruised facial feature (8)
Mediterranean product is of ultimately Greek character (4)
Angled face hides endless suffering (8)
Rhythm method primarily interrupts coupling (4)
Completely cover most of planet with tea supply (8)
Hand over hospital department run by useless technocrats originally (7)
Impulsive response almost very French and to a greater extent not English (6)
Sound like a bear and sound like a horse? (6)
Thoroughly depraved person returns in secret to Russia (6)
Type letters or click words in the clue