in·si·pid·i·ty \ˌin(t)sə̇ˈpidəd.ē, -ətē, -i\noun (-es) Etymology: French insipidité, from Middle French, from Medieval Latin insipiditas, from Late Latin insipidus insipid + Latin -itas -ity 1.: the quality or state of being insipid : vapidity < the insipidity of her thoughts > 2.: something (as a remark or an idea) that is notably insipid < these insipidities of expression >