lest
UK/lest/US
B2
Definitions
conj.
For fear that; in order to prevent something undesirable from happening.
以免；唯恐；免得
Root Breakdown
Native Englishlestother
=lest
Example Sentences
- 1.
She locked the doors and windows lest burglars attempt to break in overnight.
- 2.
The government issued strict warnings lest citizens ignore the health safety protocols.
- 3.
Handle the antique vase carefully lest it breaks and becomes irreparable.