peakismEtymologyFrom peak + -ism, where "peak" refers to peak oil.peakism means the belief that the world has reached peak oil. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounThe belief that the world has reached peak oil.“Specifically, peakism is marked by many of the same characteristics of recognized ideologies, including internal coherence, intellectual abstractness, specificity, sophistication, dogmatism, and affective investment.”