vacuumcleaner

Vacuumcleaner is likely misspelled.

Vacuumcleaner has no English definition.

As a noun sweeper

is one who sweeps floors or chimneys.

As a noun nonsense is

letters or words, in writing or speech, that have no meaning or seem to have no meaning.

As a verb nonsense is

to make nonsense of.

As an adjective nonsense is

resulting from the substitution of a nucleotide in a sense codon, causing it to become a stop codon (not coding for an amino-acid).