Antonyms of adj spooky

1 sense of spooky

Sense 1
skittish, flighty, spooky, nervous -- (unpredictably excitable (especially of horses))

INDIRECT (VIA excitable) -> unexcitable -- (not easily excited; "an unexcitable temperament")

Similarity of adj spooky

1 sense of spooky

Sense 1
skittish, flighty, spooky, nervous -- (unpredictably excitable (especially of horses))
       => excitable (vs. unexcitable) -- (easily excited)