large or extensive in breadth or importance or comprehensiveness; "the might have repercussions of unimaginable largeness"; "the very extensiveness of his power was a temptation to abuse it"
a greeting or reception; "the proposal got a warm welcome"
the state of being welcome; "don't outstay your welcome"
giving pleasure or satisfaction or received with pleasure or freely granted; "a welcome relief"; "a welcome guest"; "made the children feel welcome"; "you are welcome to join us"
any large scale calamity (especially when thought to be sent by God)
any epidemic disease with a high death rate
a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal