English to English

adjective (a)

• lacking material form or substance; unreal

  bentuk atau bahan kurang zat; nyata

  Synonym:
  insubstantial, unreal
  Antonym:
  material, real, substantial
  

  source: wordnet30
• Lacking in matter or substance; visionary; chimerical.

  atau masalah kekurangan zat; visioner; chimerical.

  source: webster1913