Seaman dismissed - or near enough! (5)
I believe the answer is:
about
'near enough' is the definition.
'about' can be an answer for 'near' (thesaurus). I am not certain of the 'enough' bit.
'seaman dismissed' is the wordplay.
'seaman' becomes 'ab' (short for able seaman).
'dismissed' becomes 'out' (I've seen this before).
'ab'+'out'='ABOUT'
'or' is the link.
Can you help me to learn more?
(Other definitions for about that I've seen before include "Concerning; approximately" , "Concerning or in neighbourhood" , "In the area of or in relation to" , "Regarding" , "Not exactly - concerning" .)