Antonyms of adj horror-struck

1 sense of horror-struck

Sense 1
horrified, horror-stricken, horror-struck -- (stricken with horror)

INDIRECT (VIA afraid) -> unafraid, fearless -- (oblivious of dangers or perils or calmly resolute in facing them)

Similarity of adj horror-struck

1 sense of horror-struck

Sense 1
horrified, horror-stricken, horror-struck -- (stricken with horror)
       => afraid (predicate) (vs. unafraid) -- (filled with fear or apprehension; "afraid even to turn his head"; "suddenly looked afraid"; "afraid for his life"; "afraid of snakes"; "afraid to ask questions")