tactical

Concise Oxford English Dictionary © 2008 Oxford University Press:
tactical/ˈtaktɪkl/

▶adjective

• 1 done or planned to gain a specific military end.

  ■ (of bombing or weapons) done or for use in immediate support of military or naval operations.

  Often contrasted with strategic.

• 2 planned in order to achieve an end beyond the immediate action.

  ■ Brit. (of voting) aimed at preventing the strongest candidate from winning by supporting the next strongest, without regard to one's true political allegiance.

– derivatives
tactically adverb.