each answer contains a colour

[spaldinglinc]

1High casualty road? 3,5 2a useless or troublesome thing 5,8 3 plausible or eloquent 6,7 4 stoneware liquor jug 9 5 fed up! 7,3 6 relating to manual workers 4,6 7 a hardy forest tree 6,5 8 Royal flight route 6.6 9 U.S.Union soldier(slang) 4,5 10 old perfume 8,5

[Ternigapp]

2. white elephant

[johnalex]

5. Browned Off

[Ternigapp]

3. Silver tongued
5. Brassed off
6. Blue collar

[ageing fast]

9 blue belly

[burnhal]

7 Silver Birch

[badlad]

1. Red Route

[mazie]

10 Lavender Water?

[ageing fast]

4 could be a "greyhound" - so named for the shape of the handle

[Fibonacci]

4 Graybeard- a stoneware drinking jug with a long neck; decorated with a caricature of Cardinal Bellarmine (17th century)

[kettledrum]

7. I don't know much about trees, but is there any reason why this should be silver birch rather than copper beech or purple beech?

[wordyone]

9) Blue coat (in dictionary)

[wordyone]

I have learnt that the answer to Royal Flight Route is Purple Airway.

[smouse]

red route