lipread
[ lip-reed ]
/ ˈlɪpˌrid /
verb (used with object), lip·read [lip-red] /ˈlɪpˌrɛd/, lip·read·ing [lip-ree-ding] /ˈlɪpˌri dɪŋ/.
to understand spoken words by interpreting the movements of a speaker's lips without hearing the sounds made.
verb (used without object), lip·read [lip-red] /ˈlɪpˌrɛd/, lip·read·ing [lip-ree-ding] /ˈlɪpˌri dɪŋ/.
to use lipreading.
Compare
speechread.