deather noun3 •(US) a person who foolishly believes the false claim that Barack Obama's health care law set up government committees to decide which sick people are left to die •(US, disapproving) One who subscribes to a conspiracy theory suggesting that Osama bin Laden was not killed. •(US) a person who wants American health care rationed and so would cruelly let some sick people go without treatment, said by people who are against Barack Obama's health care law formsdeathers