Synonyms for Of a piece:

• adj.

  •consistent (adjective)
  • invariable,
  • dependable,
  • unfailing,
  • even,
  • unvarying,
  • true,
  • rational,
  • unchanging,
  • same,
  • expected,
  • homogeneous,
  • steady.
  •constant (adjective)
  • immutable,
  • nonstop,
  • connected,
  • perpetual,
  • monotonous,
  • like the rock of gibralter,
  • continual,
  • stable,
  • together,
  • standardized,
  • unflappable,
  • unbroken,
  • permanent,
  • equable,
  • uninterrupted,
  • firm,
  • regular,
  • unalterable.
  •similar (adjective)
  • like.
  •uniform (adjective)
  • reliable,
  • level,
  • smooth,
  • compatible,
  • orderly,
  • incorrigible,
  • straight,
  • inflexible,
  • consonant,
  • well-balanced,
  • normal,
  • plumb,
  • rigid,
  • fated,
  • static,
  • unmodifiable,
  • undiversified,
  • irreversible,
  • ossified,
  • fateful,
  • fixed,
  • systematic,
  • well-proportioned,
  • symmetrical,
  • ordered.
  •united (adjective)
  • unanimous.

• Other synonyms:

  •even
  • equal.

Antonyms for Of a piece:

• adj.

  • consistent
    inconsistent, varying, erratic, irregular, disagreeing, inconstant, incongruous.
  • constant
    fluctuating, wavering, changeable, unsteady, unstable, fickle.
  • uniform
    changing, varied, different, divergent.