Sentence examples for this is sincerely from inspiring English sources

Doubtless this is sincerely meant.

"Sincere" is sincerely as good as it gets.

The traditional close is Sincerely, and this works well when asking for an extension.

It is sincerely to be hoped that this is not policy on the hoof.

"He is sincerely sorry for all of this".

Dr R Balhorn (Lawrence Livermore Library, Livermore, CA, USA) is sincerely acknowledged for his constructive suggestions during the preparation of this manuscript.

"He is sincerely dealing with music.

She is sincerely committed to issues.

Oreo is sincerely ironic, hilarious, brainy, impenetrable at times.

He is apologetic to a fault and is sincerely mortified.

She is sincerely mystified by Mrs. Turner's tirades.