1. Being sour to the taste
   - acidic, acid, acidulous

See also: sour

• inaction
• inactivate
• inactivation
• inactive
• inactively
• inactiveness
• inactivity
• inadequacy
• inadequate
• inadequately
• inadequateness
• inadmissibility
• inadmissible
• inadvertence
• inadvertency
• inadvertent
• inadvertently
• inadvisability
• inadvisable
• inadvisably
• inaesthetic
• inalienability
• inalienable
• inalienably
• inalterable