Antonyms for Concrete

Antonyms starting with letter I

• intangible

  real, hardened, actual
• ideal

  hardened, actual
• immaterial

  real, actual, hardened
• insubstantial

  real
• indefinite

  specific, hardened, actual
• indeterminate
• image
• imaginary
• impalpable
• inexistent
• ideality
• imaginativeness
• ideation
• imaginings
• impulsion
• idea
• impregnation
• insemination
• 

  imagination
• in sight
• intellection
• impellent
• impression
• impulse
• innervation
• imagined
• illusory
• invented
• incorporeal
• imperceptible