21 across
Unrivalled,
as
the
House
of
Lords
in
recess
(8)
Unrivalled, as the House of Lords in recess (8)
hints
0
checks
0
hints
The whole clue is the definition (& lit or double definition).
How the clue works
The first definition, Unrivalled, means without equal, i.e. peerless. The second, as the House of Lords in recess, punningly describes a chamber empty of peers, hence peer-less.