uncommon

Từ điển Oxford Advanced Learner 8th

un·com·mon [uncommon] BrE [ʌnˈkɒmən] NAmE [ʌnˈkɑːmən] adjective
1. not existing in large numbers or in many places
Syn: ↑unusual, Syn: ↑rare
•an uncommon occurrence
•Side effects from the drug are uncommon.
•It is not uncommon for college students to live at home.
•Red squirrels are uncommon in England.
Opp: ↑common
2. (formal or literary)unusually large in degree or amount; great
Syn: ↑remarkable
•She showed uncommon pleasure at his arrival.

Example Bank:
•Such technologies were still uncommon in the US.
•It is not uncommon to find 30 different species on one tree.
•It's a delayed reaction, which is not uncommon.
•Oswald is an uncommon name nowadays.
•Side effects from the injection are uncommon.
•Unfortunately, racist attacks are not at all uncommon.