trailer vs dawdler

trailer and dawdler both are nouns.

Word	Noun	Adjective	Verb	Adverb
trailer	Yes	No	No	No
dawdler	Yes	No	No	No

As nouns, trailer and dawdler are synonyms defined as:

trailer and dawdler: someone who takes more time than necessary; someone who lags behind

Other synonyms of trailer include drone, laggard, lagger, poke.

trailer (noun)	dawdler (noun)
a wheeled vehicle that can be pulled by a car or truck and is equipped for occupancy	someone who takes more time than necessary; someone who lags behind
a large transport conveyance designed to be pulled by a truck or tractor
an advertisement consisting of short scenes from a motion picture that will appear in the near future
someone who takes more time than necessary; someone who lags behind