passive communicationpassive continental marginpassive defencepassive defensepassive defense principlespassive designpassive electronic countermeasurespassive electronic warfarepassive elementpassive eruptionpassive euthanasiapassive exercisepassive filterpassive forcepassive glacierpassive homing guidancepassive housepassive hyperemiapassive immunitypassive incomepassive infinitivepassive introversionpassive investmentpassive investorpassive margin or passive margins or passive marginspassive metalpassive modalpassive modepassive movementpassive negativismpassive networkpassive objectpassive offsidepassive pinkpassive probepassive recreationpassive regionpassive resistancepassive rolepassive sentencepassive shunt filterpassive smokerpassive smokingpassive solar systempassive sourcepassive suicidal ideationpassive suicidepassive surfacepassive tagpassive targeting
