
1) Ball up 2) Blow 3) Bobble 4) Bollix up 5) Bollocks 6) Bollocks up 7) Botch 8) Botch up 9) Bumble 10) Bungle 11) Exclusively Saxon word 12) Exclusively Anglo word 13) Fail 14) Flub 15) Fluff 16) Foul up 17) Fuck up 18) Fumble 19) Go wrong 20) Louse up 21) Mess up 22) Miscarry 23) Mishandle 24) Muck up
Found on
https://www.crosswordclues.com/clue/bollix

1) Bobble 2) Bollocks 3) Botch 4) Bumble 5) Mess 6) Mishandle 7) Snafu
Found on
https://www.crosswordclues.com/clue/bollix

to do (something) badly; bungle (often fol. by up): His interference bollixed up the whole deal.
Found on
https://www.infoplease.com/dictionary/bollix
No exact match found.