rapid	means sth happening very quickly
rapidly	is the synonym for quickly
household	the people who live in a house or flat
account for sth	to be the reason why sth exists or happens
staggering	means sth shocking, extremely surprising
dim	provide not much light, also the synonym for dark
dimness	semidarkness
dimly	is the synonym for darkly
take a dim view of sth	to disapprove of sth
dedicated	sb who is involved into sth
appreciation	a feeling of being grateful
unwelcome	means annoying or unpleasant
executive	is a director, manager,authority