Grille 171

Across

1 Stubbornly unyielding (4)
4 Tear into thin strips (5)
9 Fast (5)
10 Memory defect (7)
11 Water-soluble cleansing agent (7,6)
12 Impolitely (6)
14 Professional reviewer of dramatic performances (6)
17 Inveterate (4-2-3-4)
20 Adopt a doctrine (7)
21 Belief (5)
22 Industrial city in West Yorkshire (5)
23 Welsh emblem (4)

Down

2 Confronted (7)
3 Spokes (5)
4 Having long coarse hair (6)
5 Resentment (7)
6 Took medicine in a specified amount (5)
7 Over castles moats (11)
8 Enrol as a student (11)
13 Free time (7)
15 Beat soundly (7)
16 Tension (6)
18 Kick out (5)
19 Praise highly (5)