They rebound, resulting in a phenomenon known as brain hyperexcitability. So, the effects associated with alcohol withdrawal -- anxiety, irritability, agitation, tremors, seizures, and DTs -- are the opposite of those associated with alcohol consumption. 1 | 2 | 3.
Challenge may refer to: Voter challenging or Caging (voter suppression), a method of challenging the registration status of voters. Euphemism for disability. Peremptory challenge, a dismissal of potential jurors for jury duty. challenge (rhetoric) - a dare or a motivational impetus to action.
Princeton's WordNet(5.00 / 1 vote)Rate this definition: 1  challenge(noun) a demanding or stimulating situation. they reacted irrationally to the challenge of Russian power. 2  challenge(noun) a call to engage in a contest or fight. 3  challenge(noun) questioning a statement and demanding an explanation. his challenge of the assumption that Japan is still our enemy. challenge(noun) a formal objection to the selection of a particular person as a juror. challenge(verb) a demand by a sentry for a password or identification.