1. in the sense of shock
- bolt from/out of the blue
- shock
- bombshell
- thunderbolt
- source of amazement
- revelation
- eye-opener
- rude awakening
- turn up for the books
- start
- whammy
- shocker
2. in the sense of astonishment
- amazement
- astonishment
- bewilderment
- incredulity
- wonder
- stupefaction
- disbelief
- confusion
- consternation
3. in the sense of astonish
- amaze
- astonish
- startle
- nonplus
- stun
- astound
- stagger
- flabbergast
- stop someone in their tracks
- shock
- leave open-mouthed
- stupefy
- dumbfound
- take someone's breath away
- benumb
- daze
- take aback
- confound
- shake up
- jolt
- knock for six
- bowl over
- blow someone's mind
- floor
- astonished
- strike dumb
- in amazement
- amazed
- taken aback
- nonplussed
- astounded
- startled
- flabbergasted
- stunned
- shocked
- staggered
- stupefied
- shell-shocked
- dumbfounded
- open-mouthed
- speechless
- dumbstruck
- thunderstruck
- at a loss for words
- benumbed
- dazed
- agape
- confounded
- wide-eyed
- goggle-eyed
- shaken up
- jolted
- knocked for six
- bowled over
- flummoxed
- floored
- caught on the wrong foot
- caught on the hop
- unanticipated
- unexpected
- unpredictable
- unforeseen
- astonishing
- unpredicted
- startling
- amazing
- striking
- astounding
- incredible
- staggering
- dazzling
- extraordinary
- remarkable
- breathtaking
- unusual
- wonderful
- amazeballs
- mind-blowing
- backasswards
4. in the sense of take by surprise
- catch unawares
- take by surprise
- catch red-handed
- catch off guard
- catch napping
- catch in the act
- burst in on
- catch out
- catch on the hop
- catch in flagrante delicto
Example Sentences of Surprise
1. "The surprise party was amazing."
2. "He received a surprise gift."
3. "Her surprise visit brightened everything."
4. "They planned a surprise celebration."
5. "The surprise announcement thrilled everyone."