IPA: /fəˈleɪʃəsli/
KK: /fəˈleɪʃəsli/
In a way that is based on a mistaken belief or reasoning; incorrectly or misleadingly.
He fallaciously argued that the evidence supported his claim, even though it did not.
Fallaciously → It is formed from "fallacia" (from Latin, meaning deception or trickery) and the suffix "-ly" (meaning in a manner). The word "fallaciously" means in a manner that is deceptive or misleading.
Think of 'deception' ('fallacia') to remember that 'fallaciously' means doing something in a deceptive way.