Answer:
Proper synonyms for lying down include to sprawl, to lay back, and to lie. To name a few.
Step-by-step explanation:
Synonyms are commonly defined as words or phrases that means the same or nearly the same as another word or phrase in the same language.
In the particular case of the example provided "Bruce was fired for lying down on the job" it could be said that a proper synonym for lying down could include to sprawl, to lay back, and to lie. Resulting in: Bruce was fired for lying down on the job or Bruce was fired for lying back on the job.