militaristic; militant; by force of arms
Describes an approach, policy, or attitude that relies on military force or coercion rather than diplomacy or persuasion. Often used in political or historical contexts.
That country adopts a militaristic foreign policy.
Trying to solve problems by militaristic means is dangerous.
強硬 means 'hardline' or 'tough' in stance, but does not necessarily imply military force; 武断的 specifically suggests a militaristic or coercive approach.
Compound of 武断 (military decision, rule by force) and the adjectival suffix 的 (-like). 武断 itself combines 武 (military, martial) and 断 (decision, judgment).