Antonyms for the phrase "gives warning" may include "keeps quiet," "ignores," "neglects," "disregards," "withholds," "silences," "downplays," "dismisses," "hides," "suppresses," or "fails to warn." These words refer to the intentional (or unintentional) decision not to inform or caution someone about a potential threat or danger. While giving a warning can be crucial in preventing harm or damage, failing to do so can lead to disastrous consequences. It is important to acknowledge and consider the opposite of giving a warning in order to emphasize the significance and responsibility that comes with alerting others to danger.