safer
  更安全
  Safe a. [Compar. Safer superl. Safest.]
  1. Free from harm, injury, or risk; untouched or unthreatened by danger or injury; unharmed; unhurt; secure; whole; as, safe from disease; safe from storms; safe from foes. “And ye dwelled safe.”
     They escaped all safe to land.   --Acts xxvii. 44.
     Established in a safe, unenvied throne.   --Milton.
  2. Conferring safety; securing from harm; not exposing to danger; confining securely; to be relied upon; not dangerous; as, a safe harbor; a safe bridge, etc. “The man of safe discretion.”
  The King of heaven hath doomed
  This place our dungeon, not our safe retreat.   --Milton.
  3. Incapable of doing harm; no longer dangerous; in secure care or custody; as, the prisoner is safe.
  But Banquo's safe?
  Ay, my good lord, safe in a ditch he bides.   --Shak.
  Safe hit Baseball, a hit which enables the batter to get to first base even if no error is made by the other side.
  Syn: -- Secure; unendangered; sure.