Ship's name spoilt by being crooked (9)
I believe the answer is:
misshapen
'being crooked' is the definition.
(thesaurus)
'ship's name spoilt' is the wordplay.
'spoilt' is an anagram indicator.
'ships'+'name'='shipsname'
'shipsname' is an anagram of 'MISSHAPEN'.
'by' is the link.
(Other definitions for misshapen that I've seen before include "Distorted" , "Not looking round" , "Deformed" , "showing bad form" , "Badly designed" .)