absence, absence of mind, blank, blankness, broom, brush, brush off, clean slate, deprivation, emptiness, empty space, empty-headedness, hollowness, inanity, jejunity, mental void, negation, negativeness, negativity, nihility, nonbeing, nonentity, nonexistence, nonoccurrence, nonreality, nonsubsistence, not-being, nothing, nothingness, nullity, sweep, sweep out, sweep up, tabula rasa, unactuality, unreality, vacancy, vacuity, vacuousness, vacuum
-clean, vapidity, void, whisk
absence, inexistence, nonresidence, absenteeism, nonattendance, alibi, emptiness, void, vacuum
, vacuity, vacancy, tabula rasa, exemption, hiatus, lipotype, truant, absentee, nobody, nobody present, nobody on earth, not a soul, ame qui vive, absent, not present, away, nonresident, gone, from home, missing, lost, wanting, omitted, nowhere to be found, inexistence, empty, void, vacant, vacuous, untenanted, unoccupied, uninhabited, tenantless, barren, sterile, desert, deserted, devoid, uninhabitable, without, minus, nowhere, elsewhere, neither here nor there, in default of, sans, behind one's back, the bird has flown, non est inventus, absence makes the heart grow fonder, absent in body but present in spirit, absento nemo ne nocuisse velit, Achilles absent was Achilles still, aux absents les os, briller par son absence, conspicuous by his absence, in the hope to meet shortly again and make our abs.
gaseity, vaporousness, flatulence, flatulency, volatility, aeration, aerification, elastic fluid, gas, air, vapor, ether, steam, essence, fume, reek, effluvium, flatus, cloud, ammonia, ammoniacal gas, volatile alkali, vacuum
, partial vacuum
, pneumatics, pneumatostatics, aerostatics, aerodynamics, gasmeter, gasometer, air bladder, swimming bladder, sound, (of a fish), gaseous, aeriform, ethereal, aerial, airy, vaporous, volatile, evaporable, flatulent.