Times Jumbo Cryptic 734

[blueberry2]

15 ac Pseudonymous novelist retired, lacking energy - goodbye to love (5) O?I?A

46ac Make sense of announcement in small part of France (7) ????Y?T

40d Replacing another missile that's decayed (9)
V???R????

55ac Kit appears to display promise (10) ???????E?R - I think this might be sportswear but can't see the 'promise' part

I should be most grateful for any help on these, thank you.

[eah]

to swear a promise therefore sportswear could be right

[alcibiades]

sport - display

swear -promise

[alcibiades]

40m Vicarious

[Dinkypuzzled]

46a. de(cry)pt.

[alcibiades]

Ouida

Decrypt

[JMR27]

15a Ouida (novelist) goodbye to love = adieu + o less e for energy, then reversed

[Dinkypuzzled]

15a. Ouida.

[blueberry2]

Thanks so much to both. I had stupidly split the word as sports and wear!

Struggling to see vicarious, though I am sure you must be right!

Many thanks to both.

[blueberry2]

It's all right, I understand vicarious now, many thanks to all