пренебрегать meaning in English — contemn, defy, despise

English meaning

contemn verb To disdain; to value at little or nothing; to treat or regard with contempt.
defy verb To openly refuse to obey or comply with something.
despise verb To feel strong contempt or scorn for someone or something.
disregard verb To deliberately ignore or pay no attention to something.
fail verb To be unsuccessful in achieving something.
flout verb To express contempt for (laws, rules, etc.) by word or action.
ignore verb To deliberately pay no attention to someone or something.
neglect verb To fail to give proper care or attention to someone or something.
omit verb To leave something out or exclude it.
scout noun A person sent ahead to gather information, especially about an enemy or unfamiliar territory.

пренебрегать is used for these senses in English:

contemn (transitive, archaic) To disdain; to value at little or nothing; to treat or regard with contempt.
defy (transitive, obsolete) To renounce or dissolve all bonds of affiance, faith, or obligation with; to reject, refuse, or renounce.
despise To disregard or ignore.
disregard (transitive) To ignore; to pay no attention to.
fail (transitive) To be wanting to, to be insufficient for, to disappoint, to desert; to disappoint one's expectations.
flout (transitive) To express contempt for (laws, rules, etc.) by word or action.
ignore To deliberately not listen or pay attention to.
neglect (transitive) To omit to notice; to forbear to treat with attention or respect; to slight.

verb To disdain; to value at little or nothing; to treat or regard with contempt.
verb To commit an offence of contempt, such as contempt of court; to unlawfully flout (e.g. a ruling).