Frequency: The word is one of the 3000 most common words in English.
1.
Strategic means relating to the most important, general aspects of something such as a military operation or political policy, especially when these are decided in advance.
...the new ~ thinking which NATO leaders produced at the recent London summit...
The island is of ~ importance to France.
ADJ: usu ADJ n
~ally
...~ally important roads, bridges and buildings.
ADV
2.
Strategic weapons are very powerful missiles that can be fired only after a decision to use them has been made by a political leader.
...~ nuclear weapons.
? tactical
ADJ: usu ADJ n
3.
If you put something in a ~ position, you place it cleverly in a position where it will be most useful or have the most effect.
...the marble benches Eve had placed at ~ points throughout the gardens, where the views were spectacular.
ADJ: usu ADJ n
~ally
We had kept its presence hidden with a ~ally placed chair.
ADV: usu ADV -ed