temerariously

/ˌtɛməˈrɛriəsli/
adverb
  1. In a way that shows reckless boldness or disregard for danger or consequences; rashly.
    • She temerariously challenged the CEO during the board meeting without any preparation.
    • The hiker temerariously ventured onto the unstable cliff edge despite the warning signs.
    • He temerariously invested his entire savings in a single startup that had no track record.
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