unnecessary
UK/ʌn'nesəs(ə)rɪ/US/.ʌn'nesәsәri/
A2
Definitions
adj.
Not needed; more than is required
不必要的，多余的
Root Breakdown
Root-derivedun-not, reversal
+
necessarynot, deny
=unnecessary
un- (not) + necessary = not necessary. Transparent negation.
Common Collocations
- 1.unnecessary risk不必要的风险
- 2.unnecessary delay不必要的拖延
- 3.avoid unnecessary避免不必要的
- 4.wholly unnecessary完全没必要
Example Sentences
- 1.
Let's avoid any unnecessary delay.
- 2.
He spent money on unnecessary gadgets.