Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb sit_back
2 senses of sit back
Sense 1
sit back, take it easy -- (settle into a comfortable sitting position)
=> relax, loosen up, unbend, unwind, decompress, slow down -- (become less tense, rest, or take one's ease; "He relaxed in the hot tub"; "Let's all relax after a hard day's work")
Sense 2
sit by, sit back -- (be inactive or indifferent while something is happening; "Don't just sit by while your rights are violated!")
=> watch, look on -- (observe with attention; "They watched as the murderer was executed")