Caustic has 2 syllables and the stress is on the first syllable.
| # | Sentence | |
|---|---|---|
| 1. | Though common in cleaning products, ammonia is caustic. | |
| 2. | She always destroys my mood with her caustic remarks. | |
| 3. | That's a redundant, caustic question. | |
| 4. | His answers were caustic. | |
| 5. | Our English teacher likes to make caustic comments. |