Become dull, so it's said and rank (5) - - - - -
Novice in top of house returning - downstairs again! (5) - - - O -
Take another's place, changing pursuit without it (5) - N - - -
Load 3 differently in a sort of cake (6) - U - - - N
Memorise backwards in small spot (for one eye only) (7) - O - O - - -