Home › Words › P › periergyperiergyperiergy means excessive caution or diligence.EtymologyCoined by Nathan Bailey in 1731 from peri- + -ergy.nounExcessive caution or diligence.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.overcarefulness 70% match — Excessive carefulness. vs periergy →hypercaution 69% match — Excessive caution vs periergy →overcautiousness 67% match — Excessive cautiousness. vs periergy →overdiligence 66% match — Excessive diligence. vs periergy →overcautiously 63% match — In an overcautious way. vs periergy →perpension 62% match — Careful consideration; pondering. vs periergy →overpunctilious 62% match — Excessively punctilious. vs periergy →overcircumspect 62% match — Excessively circumspect. vs periergy →