untactical
/ˌʌntækˈtɪkəl/Definitions
1. adjective
Lacking in military strategy or skill; impractical or unwise in a tactical sense.
“The general criticized the untactical approach to the mission, which resulted in unnecessary casualties.”
2. noun
A lack of military strategy or skill.
“The general’s untactical decisions were a major contributing factor to the team’s defeat.”