con·straint 
/kənˈstreɪnt/ noun
plural con·straints /kənˈstreɪnt/ noun 1 [count] : something that limits or restricts someone or something
▪ Lack of funding has been a major constraint on the building's design. — usually plural ▪ Budget constraints [=restrictions] have forced me to revise my travel plans. [=I've changed my travel plans because I do not have enough money] ▪ Because of time constraints [=limitations], speeches will be limited to five minutes. ▪ Tradition puts/places/imposes constraints on [=puts limits on] people and their actions. 2 [noncount] : control that limits or restricts someone's actions or behavior
▪ They demand freedom from constraint. ▪ They refuse to work under constraint any longer.
▪ Lack of funding has been a major constraint on the building's design. — usually plural ▪ Budget constraints [=restrictions] have forced me to revise my travel plans. [=I've changed my travel plans because I do not have enough money] ▪ Because of time constraints [=limitations], speeches will be limited to five minutes. ▪ Tradition puts/places/imposes constraints on [=puts limits on] people and their actions.
▪ They demand freedom from constraint. ▪ They refuse to work under constraint any longer.
