Surprised to see an out of turn Gridman puzzle, but quite a few nice clues here.
ACROSS
8 Earring earns preposterous deprecation (4) HOOP (POOH <=)
9 Impossible to stop noble Rex AI’s carrying away (10) INEXORABLE (NOBLE REX AI)*
10 Worker standing in a strike zone (6) PICKET (CD)
11 Overly direct, blunt use exposed (8) UNSUBTLE (BLUNT USE)*
12 Go back on a terrifying person (4) OGRE (GO<= + RE)
13 Where Dad is relocated with a double-graduate (5,5) ADDIS, ABABA (DAD IS* + A + BA + BA)
17 Golconda for one is in favour of troop leader (4) FORT (FOR + T)
18 Proceed faster in disbursement of pugree without a bit of rancour (3,2) GEE, UP (PUGrEE)*
19 Helps in the construction of dais (4) AIDS (DIAS)*
20 Such defects may result in the fall of a house (10) STRUCTURAL (E)
22 Old royal greatly disheartened by revelry (4) ORGY (O + R + GreatlY)
23 Positions of pressure where one can’t get cold at all (3,5) HOT, SEATS (CD)
27 Common // sort of fund? (6) MUTUAL (DD)
28 Crazy relative might make us slip (6,4) BANANA, SKIN (BANANAS + KIN)
29 Fizzy drink for son of the lawyer (4) SODA (S + O + DA)
DOWN
1 Vessel where fighting takes place? (6,4) ROWING, BOAT (CD)
2 Most ill-tempered Ike spits here and there (8) SPIKIEST (IKE SPITS)*
3 Uncontrolled, it’s shaking in the blast (10) DISTRAUGHT (ITS* inside DRAUGHT)
4 If you drive like __, you are a fast and furious driver (4) JEHU (CD)
5 Plays with // dolls, maybe (4) TOYS (DD)
6 Two scholars on bad start taking nothing from tropical tree (6) BAOBAB (BA + BA + B outside 0)
7 Well-stripped, full-stripped in Jewish month (4) ELUL (wELl fULl)
14 Delhi’s leader at the back is gloomy (5) DREAR (D + REAR)
15 Dietary addition loose-limbed fellows take primarily (10) SUPPLEMENT (SUPPLE + MEN + T)
16 They give physical protection to people (10) BODYGUARDS (E)
19 Desertion from army post office on street gets a heartless mention (8) APOSTASY (A + PO + ST + A + SaY)
21 Break open article leaving Lausanne building (6) UNSEAL (LAUSanNE)*
24 Working mother recalled a Kerala festival (4) ONAM (ON + MA<=)
25 A method on vacation (4) AWAY (A + WAY)
26 Some classy keepsake for German town near Bremen (4) SYKE (T)
ACROSS
8 Earring earns preposterous deprecation (4) HOOP (POOH <=)
9 Impossible to stop noble Rex AI’s carrying away (10) INEXORABLE (NOBLE REX AI)*
10 Worker standing in a strike zone (6) PICKET (CD)
11 Overly direct, blunt use exposed (8) UNSUBTLE (BLUNT USE)*
12 Go back on a terrifying person (4) OGRE (GO<= + RE)
13 Where Dad is relocated with a double-graduate (5,5) ADDIS, ABABA (DAD IS* + A + BA + BA)
17 Golconda for one is in favour of troop leader (4) FORT (FOR + T)
18 Proceed faster in disbursement of pugree without a bit of rancour (3,2) GEE, UP (PUG
19 Helps in the construction of dais (4) AIDS (DIAS)*
20 Such defects may result in the fall of a house (10) STRUCTURAL (E)
22 Old royal greatly disheartened by revelry (4) ORGY (O + R + G
23 Positions of pressure where one can’t get cold at all (3,5) HOT, SEATS (CD)
27 Common // sort of fund? (6) MUTUAL (DD)
28 Crazy relative might make us slip (6,4) BANANA, SKIN (BANANAS + KIN)
29 Fizzy drink for son of the lawyer (4) SODA (S + O + DA)
DOWN
1 Vessel where fighting takes place? (6,4) ROWING, BOAT (CD)
2 Most ill-tempered Ike spits here and there (8) SPIKIEST (IKE SPITS)*
3 Uncontrolled, it’s shaking in the blast (10) DISTRAUGHT (ITS* inside DRAUGHT)
4 If you drive like __, you are a fast and furious driver (4) JEHU (CD)
5 Plays with // dolls, maybe (4) TOYS (DD)
6 Two scholars on bad start taking nothing from tropical tree (6) BAOBAB (BA + BA + B outside 0)
14 Delhi’s leader at the back is gloomy (5) DREAR (D + REAR)
15 Dietary addition loose-limbed fellows take primarily (10) SUPPLEMENT (SUPPLE + MEN + T)
16 They give physical protection to people (10) BODYGUARDS (E)
19 Desertion from army post office on street gets a heartless mention (8) APOSTASY (A + PO + ST + A + S
21 Break open article leaving Lausanne building (6) UNSEAL (LAUS
24 Working mother recalled a Kerala festival (4) ONAM (ON + MA<=)
25 A method on vacation (4) AWAY (A + WAY)
26 Some classy keepsake for German town near Bremen (4) SYKE (T)
