[1] : The Collaborative International Dictionary of English v.0.48

tactic \tac"tic\, tactical \tac"tical\, a. gr. taktiko`s. see
   tactics.
   of or pertaining to military or naval tactics; hence,
   pertaining to, or characterized by, planning or maneuvering
   for the short term; -- contrasted with strategic, planning
   for the long term.
   -- tac"tically, adv.
   webster 1913 suppl.
see also:
tactics strategic tac"tically 

[2] : WordNet (r) 2.0

tactically
     adv : with regard to tactics; "the tactically useful province is
           still firmly in the rebels' hands"

Tactically >> T Words
Tactically, definition of term: Tactically
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