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/lɛst/ · conjunction
For fear that; that not; in order to prevent something from happening; in case..
He won't go outside, lest he be eaten by those ravenous eagles.
I brought my notes lest faulty memory lead me astray.
I thought to haue told thee of it, but I fear'd / Leaſt I might anger thee.
And then Robert Loo came out swiftly with the half-filled jar lest more be said.
Stay free from petty jealousies / Live by no man's code / And hold your judgment for yourself / Lest you wind up on this road
Lest any astrologer reading this result get cocky, Dr Cajochen does not believe that what he has found is directly influenced by the Moon through, say, some tidal effect. What he thinks he has discovered is an additional hand on the body’s clock-face.
There was danger/alarm lest the plan become known.
I am afraid lest I revealed too much.
Use lest when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Lest means For fear that; that not; in order to prevent something from happening; in case..
Common synonyms include before.
The opposite depends on the specific sense.
He won't go outside, lest he be eaten by those ravenous eagles.
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