Across
1
Hat made of plaited palm leaves (6)
4
Constitution: slap (4-2)
9
Grow less; peter out (7)
10
Inexpensive; tawdry (5)
11
Largest French-speaking city in Belgium (5)
12
Coat? Yes! (anag) (3-4)
13
Appear as old as you really are (4,4,3)
18
London borough: compact breed of horse (7)
22
Celestial body, redesignated a minor planet in 2006 (5)
23
Of the eye; of light (7)
25
Vouchsafes; concedes (6)
Down
3
Normal working day(s) (7)
7
Caribbean evergreen tree and its fruit (6)
8
Continued to keep a watch over (4,2,3,2)
19
Secluded places; retreats (5)
21
Of an ancient Andean culture (5)