1. (n.) of or pertaining to the Stoics; resembling the Stoics or their doctrines.

2. (n.) Not affected by passion; manifesting indifference to pleasure or pain.

apathetic calm cool disciplined dispassionate emotionless frigid impassive imperturbable indifferent long-suffering phlegmatic resigned self-controlled self-possessed stoic stolid unemotional unflappable