1 Intense sorrow (9)
6 Deleted expletive (5)
9 Blow up (7)
10 Sowed (7)
11 A tropical cereal grass (7)
12 Trade stoppage (7)
13 Regards with suspicion (9)
15 Pertaining to the Hellenic Republic (5)
16 Without companionship (5)
19 Fazed (9)
22 Sharp turn (7)
23 Smooched (slang) (7)
25 Inane (7)
26 Piano music with a syncopated melody (7)
27 Contemplates (5)
28 Subverts (9)
Down
1 They often grow on heads (5)
2 Asserts (7)
3 Instructor (7)
4 Whipping, clotted or ice (5)
5 Female imperial rulers (9)
6 A small weighted cloth bag (7)
7 The Muse of music (Greek mythology) (7)
8 Firmly fastened with a device (9)
13 Controls the size of a camera aperture (9)
14 Wastes (9)
17 Beginnings (7)
18 Depletes (7)
20 Notion (7)
21 Prolonged unfulfilled desire (7)
23 Bush (5)
24 Sediment (5)