I. verb — [no obj.] 1. show approval or praise by clapping • the crowd whistled and applauded
• [with obj.]
his speech was loudly applauded.
2. [with obj.] — show strong approval of (a person or action); praise • Jill applauded the decision.
– origin late 15th cent.: from Latin applaudere, from ad- ‘to’ + plaudere ‘to clap’, reinforced by French applaudir.