One relatively apt to wail unhappily about the National Front? (2-3)
I believe the answer is:
in-law
'one relatively apt' is the definition.
I can't tell whether this defines the answer.
'wail unhappily about the national front?' is the wordplay.
'unhappily' is an anagram indicator.
'about' means one lot of letters goes inside another.
'front?' says to take the initial letters (I've seen 'front' mean this).
The initial letter of 'national' is 'n'.
'wail' is an anagram of 'ilaw'.
'ilaw' going around 'n' is 'IN-LAW'.
'to' is the link.
Can you help me to learn more?
(Other definitions for in-law that I've seen before include "Near relative" , "Relation by marriage" , "Relative by marriage" , "Family member, by marriage" , "Meghan to Harry's family?" .)