Frequently describes a child under eleven (5)
I believe the answer is:
often
'frequently' is the definition.
(synonyms)
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for often that I've seen before include "Frequently, at short intervals" , "In many cases" , "Repeatedly, many times" , "Much of the time" , "More than occasionally" .)