noun

the lowest point or part of something.

the bottom of the page

foot,lowest part,lowest point,base,extremity,foundation,basis,support,substructure,substratum,groundwork,underpinning

adjective

in the lowest position.

the books on the bottom shelf

lowest,last,bottommost,undermost,ground,basal

verb

(of a situation) reach the lowest point before stabilizing or improving.

encouraging signs suggested the recession was bottoming out