Definition of knock someone sideways in English:

knock someone sideways

phrasal verb

  • Astonish someone.

    • ‘The sheer wealth and size and richness of America knocked me sideways.’
    • ‘When they performed this on TOTP, I was knocked sideways.’
    • ‘That said, most of what he plays washes over me these days - but once in a while, something comes along and knocks you sideways.’
    • ‘Every now and then, something came up which would completely knock you sideways.’
    • ‘But Preston were knocked sideways by the shock of seeing their impregnable lead suddenly wiped out.’
    overwhelm, overpower, stun, stupefy, amaze, astound, astonish, stagger, take someone's breath away, leave someone open-mouthed, dumbfound, confound, take aback
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