Uncommonly

Full definition of uncommonly

Adverb

1. To an uncommon degree; unusually or extremely.
• 2012, Jeannie Lin, My Fair Concubine (page 12)For a gentleman, he was uncommonly rude, but she supposed wearing silk and jade gave him that privilege.
2. Not often; on rare occasions.Not uncommonly, I find that I have arrived too late to catch my train.