janitor

As a noun janitor

is (chiefly|us) someone who looks after the maintenance and cleaning of a public building.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between waiter and janitor

is that waiter is a male or sometimes female attendant who or similar while janitor is (chiefly|us) someone who looks after the maintenance and cleaning of a public building.

As nouns the difference between deckhand and janitor

is that deckhand is (nautical) a member of the crew of a merchant ship who performs manual labour while janitor is (chiefly|us) someone who looks after the maintenance and cleaning of a public building.

As nouns the difference between janitor and taxonomy

is that janitor is (chiefly|us) someone who looks after the maintenance and cleaning of a public building while taxonomy is the science or the technique used to make a classification.

As nouns the difference between janitor and usher

is that janitor is someone who looks after the maintenance and cleaning of a public building while usher is a person, in a church, cinema etc., who escorts people to their seats.

As a verb usher is

to guide people to their seats.

As nouns the difference between dishwasher and janitor

is that dishwasher is a machine for washing dishes while janitor is (chiefly|us) someone who looks after the maintenance and cleaning of a public building.

As a noun janitor

is (chiefly|us) someone who looks after the maintenance and cleaning of a public building.

As a proper noun apple is

a nickname for new york city, usually “the big apple”.

As nouns the difference between janitor and custodians

is that janitor is (chiefly|us) someone who looks after the maintenance and cleaning of a public building while custodians is .

As nouns the difference between janitor and housekeeper

is that janitor is someone who looks after the maintenance and cleaning of a public building while housekeeper is one who looks after the home by herself; either as a wife or a hired servant.

As nouns the difference between janitor and streetcleaner

is that janitor is (chiefly|us) someone who looks after the maintenance and cleaning of a public building while streetcleaner is a person employed to clean streets by removing litter etc.