Antonyms of adj unrelenting

3 senses of unrelenting

Sense 1
grim, inexorable, relentless, stern, unappeasable, unforgiving, unrelenting -- (not to be placated or appeased or moved by entreaty; "grim determination"; "grim necessity"; "Russia's final hour, it seemed, approached with inexorable certainty"; "relentless persecution"; "the stern demands of parenthood")

INDIRECT (VIA implacable) -> placable -- (easily calmed or pacified)

Sense 2
brutal, unrelenting -- (harsh; "the brutal summer sun"; "a brutal winter")

INDIRECT (VIA intense) -> mild -- (moderate in type or degree or effect or force; far from extreme; "a mild winter storm"; "a mild fever"; "fortunately the pain was mild"; "a mild rebuke"; "mild criticism")

Sense 3
persistent, relentless, unrelenting -- (never-ceasing; "the relentless beat of the drums")

INDIRECT (VIA continual) -> sporadic -- (recurring in scattered and irregular or unpredictable instances; "a city subjected to sporadic bombing raids")

Similarity of adj unrelenting

3 senses of unrelenting

Sense 1
grim, inexorable, relentless, stern, unappeasable, unforgiving, unrelenting -- (not to be placated or appeased or moved by entreaty; "grim determination"; "grim necessity"; "Russia's final hour, it seemed, approached with inexorable certainty"; "relentless persecution"; "the stern demands of parenthood")
       => implacable (vs. placable) -- (incapable of being placated; "an implacable enemy")

Sense 2
brutal, unrelenting -- (harsh; "the brutal summer sun"; "a brutal winter")
       => intense (vs. mild) -- (possessing or displaying a distinctive feature to a heightened degree; "intense heat"; "intense anxiety"; "intense desire"; "intense emotion"; "the skunk's intense acrid odor"; "intense pain"; "enemy fire was intense")

Sense 3
persistent, relentless, unrelenting -- (never-ceasing; "the relentless beat of the drums")
       => continual (vs. sporadic) -- (occurring without interruption; chiefly restricted to what recurs regularly or frequently in a prolonged and closely spaced series; "the continual banging of the shutters")