counterword

[ koun-ter-wurd ]
/ ˈkaʊn tərˌwɜrd /

noun

a word, often of short-lived popularity, widely used as an almost meaningless, automatic response.
a word that has come to be used with a meaning much less specific than that which it had originally, as swell, awful, or terrific.

Origin of counterword

First recorded in 1670–80; counter1 + word
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for counter word

counterword
/ (ˈkaʊntəˌwɜːd) /

noun

a word widely used in a sense much looser than its original meaning, such as tremendous or awful
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012