indirect kiss (e.g. drinking from a cup someone has just used)
indirect evidence; circumstantial evidence
indirect speech; indirect narration
indirect principal offender; indirect perpetrator; principal offender in the second degree
indirect bragging (esp. on social media; by casually showing off something bragworthy as if it were unintended)
internal division; back-office section; indirect department
indirect free kick (soccer)
indirect colour specification
passive smoking; secondhand smoke