grinnoun [C]uk /ɡrɪn/ us /ɡrɪn/
grinverb [I]uk /ɡrɪn/ us /ɡrɪn/ (-nn-)
- The class photograph showed a strange bunch of grinning children.
- She grinned slyly and refused to tell me where the money came from.
- The poor boy grinned inanely, without any knowledge of what was happening.
- She jumped when she saw a grinning face at the window.
- My friends grinned at me encouragingly when I came onto the stage.