Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb startle

2 senses of startle

Sense 1
startle, galvanize, galvanise -- (to stimulate to action ; "..startled him awake"; "galvanized into action")
       => shock, floor, ball over, blow out of the water, take aback -- (surprise greatly; knock someone's socks off; "I was floored when I heard that I was promoted")

Sense 2
startle, jump, start -- (move or jump suddenly, as if in surprise or alarm; "She startled when I walked into the room")
       => move -- (move so as to change position, perform a nontranslational motion; "He moved his hand slightly to the right")

Antonyms of adj startled

1 sense of startled

Sense 1
startled -- (excited by sudden surprise or alarm and making a quick involuntary movement; "students startled by the teacher's quiet return"; "the sudden fluttering of the startled pigeons"; "her startled expression")

INDIRECT (VIA surprised) -> unsurprised, not surprised -- (not surprised or expressing surprise; "that unsuprised obstinate look on his face")

Similarity of adj startled

1 sense of startled

Sense 1
startled -- (excited by sudden surprise or alarm and making a quick involuntary movement; "students startled by the teacher's quiet return"; "the sudden fluttering of the startled pigeons"; "her startled expression")
       => surprised (vs. unsurprised) -- (taken unawares or suddenly and feeling wonder or astonishment; "surprised by her student's ingenuity"; "surprised that he remembered my name"; "a surprised expression")

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