Antonyms of adj storm-tossed

1 sense of storm-tossed

Sense 1
buffeted, storm-tossed, tempest-tossed, tempest-tost, tempest-swept -- (pounded or hit repeatedly by storms or adversities)

INDIRECT (VIA troubled) -> untroubled -- (not beset by troubles or disturbance or distress; "seemed untroubled by doubts of any kind"; "untroubled sleep"; "a kind untroubled face")

Similarity of adj storm-tossed

1 sense of storm-tossed

Sense 1
buffeted, storm-tossed, tempest-tossed, tempest-tost, tempest-swept -- (pounded or hit repeatedly by storms or adversities)
       => troubled (vs. untroubled) -- (characterized by or indicative of distress or affliction or danger or need; "troubled areas"; "fell into a troubled sleep"; "a troubled expression"; "troubled teenagers")