-actasiftherewasnooneelsepresent--self-assuredorsupercilious;actasifnoonewasnearby--anunwarrantedassumptionofairs;actortalkinasuperciliousmanner;asifnobodyelsebesidesoneselfcounts;asifnobodywerenearhim;asifnoonewasabout;asiftherewasnobodypresent;asthoughnoonewerenearby;completelyinformal;havenoregardforothers
