|[This is a MPIWG MPDL language technology service]|
Lest (v. i.) To listen.
Lest (n.) Lust; desire; pleasure.
Lest (a.) Last; least.
Lest (a.) For fear that; that ... not; in order that ... not.
Lest (a.) That (without the negative particle); -- after certain expressions denoting fear or apprehension.