Solutions

ACROSS
1 Forceps.
FO+R+C+EPS
5 Casuals.
CASUAL+S
9 Reactor.
RE+ACT+OR
10 Spartan.
(two meanings)
11 Still life.
STILL+LIFE
12 Ennui.
E+NNU+I (nun anag.)
13 Elgar.
EL+G(A)R
15 In private.
IN+PRIVATE
17 Massinger.
MAS+SIN+GER
19 Eat up.
EAT+UP (tea anag.)
22 Nurse.
NURS+E (runs anag.)
23 Spin a yarn.
SPIN+A+YARN (pins anag.)
25 Cat's-eye.
CAT+S+EYE
26 Tarnish.
TAR+NISH (shin anag.)
27 Tumbler.
T+UMBLER (rumble anag.)
28 Dowager.
DO+WAG+ER


DOWN
1 Foresee.
FO+R+E+SEE
2 Reading.
(two meanings)
3 Extol.
EX+TO+L
4 Straining.
(anag.)
5 Caste.
CAST+E
6 Stateside.
STATES+ID+E
7 Antonia.
ANTON+I+A
8 Sunrise.
(anag.)
14 Raise hell.
RAISE+HELL
16 Permitted.
P+ERMIT+TED (remit anag.)
17 Manx cat.
MA(N)X+CA+T
18 Stratum.
(anag.)
20 Tracing.
T+RAC+IN+G
21 Panther.
PAN+THE+R
23 Steer.
(two meanings)
24 Arrow.
(n)ARROW