weaken

The same applies to freshers in university halls - where mixing together spreads germs, while heavy drinking and partying further weaken the immune system.

Experts said the shutdown could further weaken the EPA’s capabilities, as nearly all of its employees — about 90% — will be furloughed.

The report also expects consumer consumption to weaken following a surge in electric-vehicle purchases in the third quarter due to the expiration of federal tax credits last month.

Count on this, in fact: It will only weaken our military, not strengthen it.

Earlier this week we were keeping an eye on Hurricane Humberto which is going to weaken in the mid-Atlantic before heading to the UK.