Enquire (5)
'enquire' is the definition.
(to enquire is to ask or question)
This is the entire clue.
(Other definitions for ask that I've seen before include "Inquire" , "Issue invitations" , "Invite (to a party)" , "Something demanded" , "Enquire" .)
(Other definitions for asked that I've seen before include "Inquired" , "Put a question to" , "Questioned" , "Enquired; invited" , "Demanded" .)