The action or habit of estimating something as worthless.‘Humans are quick to partake in the floccinaucinihilipilification process, it has happened before and it will happen repeatedly until evolution explicates perfect men.’
Floccinaucinihilipilification is one of a number of very long words that occur very rarely in genuine use. For more details see
Mid 18th century from Latin flocci, nauci, nihili, pili (words meaning ‘at little value’) + -fication. The Latin elements were listed in a well-known rule of the Eton Latin Grammar.