Webster's 1828 Dictionary

CONFIDENTIALLY

adv. In confidence; in reliance or secrecy.

 

Webster's 1913 Dictionary

CONFIDENTIALLY

CONFIDENTIALLY Con `fi *den "tial *ly, adv.

 

Defn: In confidence; in reliance on secrecy.

 

New American Oxford Dictionary

confidentially

con fi den tial ly |ˌkänfəˈdenSHəlē kɑːnfɪˈdenʃəli | ▶adverb in a way that is intended to be private or secret; privately: all queries will be treated confidentially.

 

Oxford Dictionary

confidentially

con |fi ¦den |tial ¦ly |ˌkɒnfɪˈdɛnʃ (ə )li | ▶adverb in a way that is intended to be private or secret; privately: all queries will be treated confidentially.

 

American Oxford Thesaurus

confidentially

confidentially adverb I thought we were speaking confidentially: privately, in private, in confidence, between ourselves /themselves, off the record, quietly, secretly, in secret, behind closed doors; between you and me and the lamppost; formal sub rosa.

 

Oxford Thesaurus

confidentially

confidentially adverb he confidentially approached a number of very senior civil servants: privately, in private, in confidence, between ourselves /themselves /yourselves, off the record, quietly, secretly, in secret, behind closed doors, in camera; Latin sub rosa; archaic privily.

 

Sanseido Wisdom Dictionary

confidentially

c ò n fi d é n tial ly 副詞 1 内密に, 極秘で ; ひそひそ声で .2 〖文頭に用いて 〗ここだけの話だが .3 打ち解けて .