When you congratulate someone, you let that person know you are happy for something they have achieved. This woman is congratulated for finishing school.
To interrupt means to break into a conversation or activity. It is impolite to interrupt a conversation. Related Word:interruption
serious (sir-ē-us) adjectivepage 548 When you are serious about something, you feel that it is important. Many people are serious about their work. Related Word:seriously
Practice the Words Make a Definition Map for each Key Word. Compare your maps to a partner’s maps.
Definition Map
squeaky (skwē-kē) adjectivepage 546 A squeaky noise is a high-pitched sound. Mice make squeaky noises.