Antonyms of adj turbulent

2 senses of turbulent

Sense 1
disruptive, riotous, troubled, tumultuous, turbulent -- (characterized by unrest or disorder or insubordination; "effects of the struggle will be violent and disruptive"; "riotous times"; "these troubled areas"; "the tumultuous years of his administration"; "a turbulent and unruly childhood")

INDIRECT (VIA unquiet) -> quiet -- (characterized by an absence or near absence of agitation or activity; "a quiet life"; "a quiet throng of onlookers"; "quiet peace-loving people"; "the factions remained quiet for almost 10 years")

Sense 2
churning, roiling, roiled, roily, turbulent -- ((of a liquid) agitated vigorously; in a state of turbulence; "the river's roiling current"; "turbulent rapids")

INDIRECT (VIA agitated) -> unagitated -- (not physically disturbed or set in motion)

Similarity of adj turbulent

2 senses of turbulent

Sense 1
disruptive, riotous, troubled, tumultuous, turbulent -- (characterized by unrest or disorder or insubordination; "effects of the struggle will be violent and disruptive"; "riotous times"; "these troubled areas"; "the tumultuous years of his administration"; "a turbulent and unruly childhood")
       => unquiet (vs. quiet) -- (characterized by unrest or disorder; "unquiet days of riots"; "following the assassination of Martin Luter King ours was an unquiet nation"; "spent an unquiet night tossing and turning")

Sense 2
churning, roiling, roiled, roily, turbulent -- ((of a liquid) agitated vigorously; in a state of turbulence; "the river's roiling current"; "turbulent rapids")
       => agitated (vs. unagitated) -- (physically disturbed or set in motion; "the agitated mixture foamed and bubbled")