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Use "numbing" in a sentence
"Sing, Talk, Hum, times tables – thats usually brain numbing lol – try doing stupidly big numbers lol"
"Through the manipulation of language, the forces of death have proven extraordinarily successful in numbing the moral sensitivities of many to the horrors actually taking place."
"This was an example of what I (with brain numbing regularity) term a "least worst" option."