barrier, impediment

HINDRANCE
WordClue
REEFbarrier or coral
DELAYimpediment, stay
FENCEbarrier, stockade
HEDGEbarrier
BARRIERimpediment
OBSTACLEbarrier
LINGERINGdelay, impediment
SEVERANCEinterruption, impediment
DIFFICULTYobstacle, barrier
IMPEDIMENTbarrier
OBTURATIONobstruction, impediment
OBSTACLEbarrier, hindrance
OBSTACLEbarrier, interruption