Go to sleep; also, cease paying attention. For example, As soon as the lights were dimmed he fell asleep , or His lectures are so dull that I fall asleep . The literal usage, which uses the verb fall in the sense of “succumb,” dates from about 1300; the figurative is several centuries newer. Also see asleep at the switch
[fawl-bak] /ˈfɔlˌbæk/ noun 1. an act or instance of falling back. 2. something or someone to turn or return to, especially for help or as an alternative: His teaching experience would be a fallback if the business failed. adjective 3. Also, fall-back. of or designating something kept in reserve or as an alternative: The negotiators […]
[fawl-bawrd, -bohrd] /ˈfɔlˌbɔrd, -ˌboʊrd/ noun 1. the hinged covering that protects a piano keyboard when it is not being played.
- Fall by the wayside
Fail to continue, drop out, as in At first she did well on the tour, but with all the pressure she soon fell by the wayside. This phrase appeared in William Tyndale’s translation of the New Testament (1526; Luke 8:5).
- Fall classic
noun the World Series