For fear that: tiptoed lest the guard should hear her; anxious lest he become ill. (conjunction)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "lest" in a sentence
"An-Nahar (the right-wing, sectarian Christian, anti-Syrian (people), anti-Palestinian) newspaper has translated this article from Haaretz but it did not translate the title lest its readers get upset."
"Suddenly I fear becoming even casually acquainted with a new title lest I somehow curse it to dismal failure."
"My Goodness, are you people (G. O.P and the impatient) really thinking Obama can solve 8 years of Bush and 6 years of G.O.P. congress control in lest than half a year."