filter meaning and definition

FILTER noun

Definition of filter (noun)

1. device that removes something from whatever passes through it
2. an electrical device that alters the frequency spectrum of signals passing through it

FILTER verb

Definition of filter (verb)

1. remove by passing through a filter
   • "filter out the impurities"
   • synonyms: filter out, filtrate, separate out, strain
2. pass through
   • "Water permeates sand easily"
   • synonyms: percolate, permeate, sink in
3. run or flow slowly, as in drops or in an unsteady stream
   • "water trickled onto the lawn from the broken hose"; "reports began to dribble in"
   • synonyms: dribble, trickle