secretly
/ˈsiː.kɹɪt.li/ adverb B1- In secret, covertly. · Mary cheated secretly in the test, and never got caught.
From the library
This person, a sailor, of turbulent character, and whom I suspected of Bonapartism, has been secretly to the Island of Elba.
She was secretly vastly pleased at Anne’s impulsive caress, which was probably the reason why she said brusquely:
“Well now, what are you going to do about it?” Matthew asked forlornly, feeling secretly thankful that Marilla and not he had to deal with the situation.
Secretly she thought Anne’s nose was a remarkable pretty one; but she had no intention of telling her so.
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