Third-person singular simple present indicative form of beset.(verb)
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Use "besets" in a sentence
"His word besets us behind, and before, and it lays its hand upon us."
"An uneasiness, not such as besets one on the eve of some event, but such as one feels on remembering some good that one has lost forever, filled Janina's heart."
"For many of the NO folks, opposition is so engrained as to be a matter of almost religious ferocity such as besets the minority Party of NO that holds our State Legislature hostage when it comes to financial matters."