Solutions

ACROSS
6 Bedford.
BED+FOR+D (Deb rev.)
7 Reach.
(b)REACH
9 Anti.
A+NTI (nit anag.)
10 Playground.
(anag.)
11 MONIKERS.
(Monicas hom.)
13 Tablet.
T+ABLE+T
15 Twit.
(two meanings)
17 Stain.
S(TA)IN
18 Fast.
F+A+S+T
19 Harrow.
H+ARROW
20 Distress.
DI+S+TRESS
23 High priest.
(straight cryptic)
26 Hear.
(two meanings)
27 Sling.
S+LING
28 Eternal.
ET+ERNAL (learn anag.)


DOWN
1 Administer.
A+D+MINISTER
2 Corpse.
CO(R)PSE
3 Idea.
(hidden)
4 Brighten.
B+RIGHT+EN
5 Taco.
TA+C+O
6 Bingo.
BI(N)G+O
8 Hinders.
HIND(ER)S
12 Shard.
(hidden)
14 Beforehand.
BEFORE+HAND
16 Wearies.
W+E+ARIES
17 Sewerage.
(straight cryptic)
21 Sitter.
(two meanings)
22 Small.
S+MALL
24 Heir.
(straight crypyic)
25 Even.
(two meanings)