under duress• In her defence, the accused said that she had been acting under duress when she took the money.• The defendantsclaimed that their confessions were made under duress.• The confession had been obtainedunder duress, and therefore could not be allowed as evidence.• Williams said he agreed to the new settlementunder duress.• Judge Mershon ruled that the agreement was signed under duress, and was therefore null and void.
From Longman Business Dictionary
duressdu·ress /djʊˈresdʊ-/ noun [uncountableU]LAW
the illegal or unfair use of force or threats to make someone do something
He claimed that he had signed the contract under duress.
Originduress
(1300-1400)Old Frenchduresce, from Latindurus“hard”