As a noun:
* The truant was caught hiding in the park. (This sentence uses "truant" as a noun referring to a person who is absent without permission.)
* The teacher called the parents when they discovered their son was a frequent truant. (This sentence uses "truant" as a noun describing someone who skips school often.)
As an adjective:
* The truant student's parents were called to a meeting at the school. (This sentence uses "truant" as an adjective describing the student.)
* The truant behavior of the teenager worried his family. (This sentence uses "truant" as an adjective describing the teenager's behavior.)
As a verb:
* The children truanted from school to go to the beach. (This sentence uses "truanted" as a verb, meaning to be absent without permission.)
* He was caught truanting and had to face the consequences. (This sentence uses "truanting" as a verb, meaning to be absent from school without permission.)
Remember, "truant" is a word that can be used in a variety of ways depending on the context.