Home › Words › O › overboostoverboostoverboost means the process of overboosting.Among words judged in Lexicurio's Arena, overboost ranks #30,360 of 42,749 for Qualifying.EtymologyFrom over- + boost.nounThe process of overboosting.An instance of overboosting.e.g.“Manifold pressure exceeding the limit lines shown in figure 5-2, constitutes an overboost.” — 1989, Operator's Manual: Army Models U-8D, RU-8D, and U-8G Aircraft:verbTo increase an engine's intake manifold pressure to higher levels than it is designed for.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.underboost 77% match — To create too little pressure in an engine's combustion chamber. vs overboost →overprime 64% match — To prime with too much fuel. vs overboost →underboosted 64% match — Suffering from underboost. vs overboost →overrev 63% match — To rev (an engine or vehicle) too much. vs overboost →supercharge 62% match — To increase the power of an internal combustion engine (either Otto or Diesel cycle) by compressing the inlet air with power extracted from the crankshaft. vs overboost →boosted 61% match — At an increased level or degree; having been improved. vs overboost →turbocharge 61% match — To increase the power of (an internal combustion engine, either Otto or Diesel cycle) by compressing the inlet air with power extracted from the exhaust air (through using a turbocharger). vs overboost →boosting 60% match — The act or process by which something is boosted. vs overboost →