uncommon

From Wiktionary

Word parts[change]

un- + common

Pronunciation[change]

Adjective[change]

Positive
uncommon

Comparative
uncommoner

Superlative
uncommonest

  1. If something is uncommon it does not occur or appear very often.
    It is uncommon for a divorced couple to forgive one another.
    It is uncommon to see an alligator this far north.