Aggravate means to make worse; irritate means to inflame. Source: Internet
To make worse for the PSOE, they were overtaken in both polls by anti-austerity party Podemos, which has its own internal squabbles. Source: Internet
These and other developments threaten to make worse the already severe crisis that followed the Venezuelan government’s decision in April, to create a constituent assembly, with the ability to rewrite the country’s constitution. Source: Internet
With Jan Brewer in the governor's chair, they have not met a problem they couldn't make worse. Source: Internet