stringent
Cross references: 1. rigid strin.gent \'strin-j*nt\ aj [L stringent-, stringens, prp. of stringere to bind tight] 1: TIGHT, CONSTRICTED 2: marked by rigor, strictness, or severity esp. with regard to rule or st andard 3: marked by money scarcity and credit strictness - strin.gent.ly av