nonsensically

/ˌnɑnˈsɛnsɪkli/
adverb
  1. In a way that is silly, absurd, or without meaning.
    • He nonsensically claimed that the moon was made of cheese.
    • The instructions were written nonsensically, so no one could follow them.
    • She laughed nonsensically at the joke that made no sense.
Antonyms
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