negatripEtymologyBlend of negative + trip, equivalent to nega- + trip. Compare negawatt.negatrip means A car trip not taken. Lexicurio rates it Sui generis — a strength score of 100 out of 100.nounA car trip not taken.“By creating markets in negamiles and negatrips, society could discover what it's worth to pay people to stay off the roads[…]”