From clap + -less. <span class="searchmatch">clapless</span> (not comparable) Without a clap or applause....
afterclap after-clap clapalong clapboard clapbread clapcake clapdish clap-gate <span class="searchmatch">clapless</span> clapnest clap net clapometer clap-o-meter clappy clap-sill clapstick clapter...