(of a relationship)friendly but not involving sexplatonic loveTheir relationship is strictly platonic.Wordfinderfriendacquaintance,bond,buddy,companion,comrade,friend,mate,neighbour,platonic,playmateOxford Collocations Dictionaryverbsbe,remainadverbpurely,strictlySeefull entrySee related entries:FriendsWord Originmid 16th cent.: via Latin from Greek Platōnikos, from Platōn ‘Plato’.
See platonic in the Oxford Advanced American Dictionary