headway

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. vertical space available to allow easy passage under something
• Syn:
headroom, clearance
• Hypernyms:
room, way, elbow room
2. forward movement
- the ship made little headway against the gale
• Syn:
head
• Derivationally related forms:
head (for: head)
• Hypernyms:
progress, progression, advance

• Từ đồng nghĩa / Synonyms:
  head, headroom, clearance