When talking to someone, if you avoid the subject, you keep the conversation away from a. To stay away from someone or something: To prevent something from happening or to not allow.
Avoid highway 201 NW. Seems several car accidents r/Calgary
If you avoid a person or thing, you keep away from them. To make void or of no effect;. Escape, avoid, evade, elude, shun, eschew mean to get away or keep away from something.
Escape stresses the fact of getting away or being passed.