adv. 1. In a rare manner or degree; seldom; not often; as, things rarely seen. [ 1913 Webster ]
2. Finely; excellently; with rare skill. See 3d Rare, 2. [ 1913 Webster ]
The person who played so rarely on the flageolet. Sir W. Scott. [ 1913 Webster ]
The rest of the apartments are rarely gilded. Evelyn. [ 1913 Webster ]