To interfere on another's behalf.
What is intercede?
A person engaged in a conversation.
What is an interlocutor?
Slavish.
What is subservient?
Lack of emotion or lack of caring.
What is apathy?
A small piece of something that has broken off.
What is a fragment?
To question, usually in an aggressive manner.
What is interrogate?
An intruder.
What is an interloper?
To encompass, include.
What is subsume?
Strong dislike or aversion.
What is antipathy?
Poorly behaved, stubborn.
What is refractory?
To scatter among or mix throughout.
What is intersperse?
Somebody who acts as a go-between for people.
What is an intermediary?
To go underwater.
What is submerge?
The understanding of another's feelings without having the feelings fully communicated.
What is empathy?
Difficult to control or manage.
What is fractious?
To say something while someone else is talking.
What is interject?
The interaction of different factors.
What is interplay?
Underground.
What is subterranean?
Something that causes sickness or disease.
What is a pathogen?
To break, either literally or figuratively.
What is fracture?
An intervening time period.
What is interim?
Describing a conflict within a group.
What is internecine?
To pay for or fund part of a larger expense.
What is subsidize?
Relating to disease or to a habitual behavior.
What is pathological?
Very delicate, likely to break.
What is fragile?