Merriam-Webster's word of the day is
nonplus
pronounced nahn-PLUS
a verb
meaning to perplex someone, or cause them to be at a loss as to what to say, think, or do
(noun): a state of bafflement or perplexity : QUANDARY
(verb): to cause to be at a loss as to what to say, think, or do : PERPLEX
In Latin, non plus means "no more." When nonplus debuted in English in the 16th century, it was used as a noun synonymous with quandary. Someone brought to a nonplus had reached an impasse in an argument and could say no more. In short time, people began applying nonplus as a verb, and today it is often used in participial form with the meaning "perplexed."
(taken from Merriam-Webster)
To see it in context or listen to the pronunciation, check the link: https://www.merriam-webster.com/word-of-the-day (July 19, 2024).
