Some of our distant relatives sobbing uncontrollably (7)
I believe the answer is:
gibbons
'some of our distant relatives' is the definition.
I can't tell whether this definition defines the answer.
'sobbing uncontrollably' is the wordplay.
'uncontrollably' is an anagram indicator (I've seen this in other clues).
'sobbing' is an anagram of 'GIBBONS'.
Can you help me to learn more?
(Other definitions for gibbons that I've seen before include "Small apes with long arms" , "primates" , "Composer of sacred music" , "Tree-dwelling apes" .)