As a Noun: 1. Feeling of pleasure, often because something nice has happened. English = happiness, gladness. As a Verb or Adjective: 1. To have feelings of pleasure, often because something nice has happened. English = (be) happy, (be) glad, (be) merry. Note: 1. This is the sign you use in expressions like ‘Happy Birthday’, ‘Happy Christmas’, ‘Merry Christmas’ or ‘Happy New Year’, e.g., you sign ‘happy’ first, then you sign ‘birthday’.