Cryptic crossword No 3,375

Across

1. Get inside towards female so as to be united (8)
2. Gent found in March and April (4)
3. Talks from the heart of misty mountain tops (6)
4. Opportunities to reflect? (7)
5. Agitate takeaway from stairway (4)
6. Crudest gag shocked company for dessert? (3,7)
7. Property assumptions (8)
8. Loud then delicate, track has an airy trajectory (6,4)
9. Burping noise filling part of building (7)
10. Largely humble ways of operating (5)
11. Fly from Malta to Italy alongside daughter, finally ending voyage (5)
12. Déagol swimming as way to go (3,3)
13. Malfunctioning tie and belt: no change needed (3,2,2)
14. Withdraw again to indulge (7)
15. Inventor of “on-side” playing (6)
16. Müller downsizes for period of time (6)

Down

1. During roam, six ramblers recalled Karl’s idea (7)
2. Arguing when leaving the capital of Russia in debt (5)
3. German with anxiety occasionally yearns for Peaky Blinders? (9)
4. Figured out action: eating mostly duck (7)
5. Defender of ivories? (9)
6. Lie about part of healthy diet (5)
7. Leaves short on cash, northbound without a penny (7)
8. Pop’s endless mark of approval - “Brilliant!” (9)
9. Mess around tiler working for no point (9)
10. Aurora Borealis features as seen on Twitch (9)
11. Deviously, I rat cop to stoned one? (7)
12. Continued to supply priest and deceived (5)
13. Improve strength through extra innings (5)