› FINANCE to remain at the same level, amount, etc. or to rise slightly: In industries such as paper, chemicals, and steel, prices have firmed.firm to sth Copper firmed 1.8 cents to 142.1 cents a pound.firm against sth The dollar, meanwhile, firmed against the euro in the wake of the interest rate rise. Bank shares firmed on expectations that the Reserve Bank would leave interest rates untouched.