This paper highlights briefly the position of effective communication in academic libraries vis-à-vis prompt knowledge delivery. Definitions of the concepts of effective communication, academic libraries, and knowledge delivery are also given. The importance of effective communication in academic libraries is discussed. These include decision-making and knowledge delivery enhancement. The paper discusses also the factors militating against effective communication. Such factors are the presence of ill health, use of closed words, information overload, etc. In order to assuage the impact of the militating factors or barriers to communication, several points are raised and explained. They include the use of face-to-face communication, avoidance of credibility gap, being sensitive to the feelings and needs of others while communicating.