Synonyms for Slap-up:

• n.

  •
  • heavy,
  • alfresco,
  • hearty,
  • set,
  • light.
  •slap-up (noun)
  • good.

• Other synonyms:

  •
  • satisfying,
  • celebratory,
  • frugal,
  • sit down,
  • untouched.
  •
  • substantial.
  •bang-up
  • bang up.

Antonyms for Slap-up:

• adj.

  • Other antonyms:
    bad.

• Other antonyms:

  • n.
    badness, evil, evilness.