i Register
In some senses, uncommon is marked as archaic, UK. Watch for register when choosing this word.
adj
Rare; not readily found; unusual.
Bald eagles are an uncommon sighting in this state.
This is not an uncommon practice.
Remarkable; exceptional.
The diamond was of uncommon size
adv
Exceedingly, exceptionally.
‘Is Suffolk your county, sir?’ asked William. ‘Yes,’ I said, with some importance. ‘Suffolk’s my county.’ ‘I’m told the dumplings is uncommon fine down there,’ said William.
'The Squire's pretty springe, considering his weight,' said Mr Macey, 'and he stamps uncommon well.'