Synonyms for Semi occasional:

• adj.

  •few (adjective)
  • negligible,
  • scattering,
  • occasional,
  • thin,
  • inconsequential,
  • scarce,
  • slim,
  • petty,
  • scattered,
  • slender,
  • skimpy,
  • inconsiderable,
  • insufficient,
  • straggling,
  • scant,
  • stingy,
  • scanty,
  • few and far between,
  • sporadic,
  • middling,
  • exiguous,
  • less,
  • uncommon,
  • minority,
  • widely spaced,
  • some,
  • piddling,
  • slight,
  • semioccasional,
  • infrequent,
  • rare,
  • scarcely any,
  • minor,
  • lean,
  • meager,
  • paltry,
  • short,
  • minute,
  • not many,
  • trifling,
  • sparse,
  • Unfrequent,
  • not too many,
  • imperceptible,
  • seldom.
  •infrequent (adjective)
  • isolated,
  • unusual,
  • spasmodic,
  • stray,
  • exceptional,
  • limited,
  • few,
  • odd.
  •rare (adjective)
  • light,
  • out of the ordinary,
  • flimsy,
  • inconceivable,
  • strange,
  • unlikely,
  • rarefied,
  • Subtile,
  • attenuated,
  • unique,
  • unimaginable,
  • unthinkable,
  • subtle,
  • unheard of,
  • attenuate,
  • unwonted,
  • extraordinary,
  • tenuous,
  • deficient,
  • singular.
  •scarce (adjective)
  • shy,
  • seldom met with,
  • at a premium,
  • in short supply,
  • failing,
  • truncated,
  • shortened,
  • wanting.
  •sporadic (adjective)
  • bits and pieces,
  • fitful,
  • on-again-off-again,
  • random,
  • spotty,
  • desultory,
  • intermittent,
  • fits and starts,
  • hit-or-miss,
  • irregular.
  •standout (adjective)
  • outstanding,
  • preeminent,
  • towering,
  • magnificent,
  • remarkable.

Antonyms for Semi occasional:

• adj.

  • few
    important, much, major, fat, useful, thick, tall, significant, large, big, consequential, many.
  • infrequent
    frequent, often, common, full, constant, usual, regular.
  • rare
    worthless, commonplace, Familiar, sufficient, typical, cheap, ordinary, well-done, normal, standard.
  • scarce
    adequate, ample, satisfactory, abundant, plentiful.
  • sporadic
    dependable, even, systematic, continuous, methodical.