(also known as lipreading) – The process of watching a person's mouth movements and facial expressions to ascertain what is being said. Speechreading ability varies from person to person and can be influenced by factors such as the amount of useable hearing a person has and their knowledge of spoken English. Other factors can include the amount of light and the noise level of the environment.

the practice of comprehending speech by careful observation of the speaker’s mouth, lips, and tongue. Many Deaf people are adept at speechreading, which is immensely difficult to learn and can never be completely accurate because many speech sounds look alike, for example, the consonants in the words pack, back, and bag. Lip-reading is a less-preferred term for speechreading.

Ability to watch a person's mouth and word formation during speaking to interpret what they are saying. Also referred to as lipreading.

A method of communication in which the person perceives what is being said by watching the lip, tongue, and jaw movements of the speaker, in addition to observing the speaker's facial expressions and body language. The focus is primarily on the speaker's lips. Formerly referred to as "lipreading."

The interpretation of lip and mouth movements, facial expressions, gestures, prosodic and melodic aspects of speech, structural characteristics of language, and topical and contextual clues.

A skill used to assist in understanding spoken communication. It combines lipreading with reading other cues provided by facial expression, body language, gestures and contextual cues.