Words can have no single fixed meaning. Like wayward electrons, they can spin away from their initial orbit and enter a wider magnetic field. No one owns them or has a proprietary right to dictate how they will be used.
Some people are ok with doing nothing all day after they retire, but then some people if they had nothing to do would go mad and start banging their heads against a wall.
The fight against terror is a common imperative for democracies and must become so for all nations.