Also means
honestly
Usage Note
Sinceramente can introduce a frank personal opinion (sinceramente, no lo entiendo = honestly, I don't understand it) or close a formal letter in the way English uses 'sincerely.' In letter closings it is often followed by a comma and the writer's name. The related adjective is sincero/a and the noun is sinceridad.
Examples
"Sinceramente, no entiendo tu decisión."
Natural Translation
Honestly, I don't understand your decision.
Related Words
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