steepen

Từ điển Oxford Learners Wordfinder Dictionary

verb

1. become steeper
- The mountain side has steepened
• Hypernyms:
change
• Verb Frames:
- Something ----s
2. make steeper
- The landslides have steepened the mountain sides
• Hypernyms:
change, alter, modify
• Verb Frames:
- Something ----s something