1. (adjective) existing as an essential constituent or characteristic

• built-in
• constitutional
• inbuilt
• integral

2. (adjective) in the nature of something though not readily apparent

• implicit in
• underlying

1. (adjective) existing as an essential constituent or characteristic

• intrinsic
• intrinsical

2. (adjective) in the nature of something though not readily apparent

• implicit
• inexplicit

1. (adjective) existing as an essential constituent or characteristic

• inhere
• inherence
• inherency

2. (adjective) in the nature of something though not readily apparent

• inhere