Some words in this unit can be used to talk about abstract ideas as well as objects. Use your knowledge of these words to answer the questions.

1. If someone gives you a genuine smile, do they feel friendly or not particularly friendly towards you? They feel friendly.
2. Do you think a transparent argument is one that is easy or difficult to follow?
3. If a writer describes something vividly, is their writing effective?
4. If a person behaves in a stiff way, are they more likely to be relaxed or tense?
5. If the teacher says your work is 'solid', are you likely to be pleased or not?