inroad

Reading level: hard

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun an encroachment or intrusion
  2. noun an invasion or hostile attack

Etymology

The noun is derived from in + road (“(obsolete) act of riding on horseback; hostile ride against a particular area, raid”). The verb is derived from the noun.

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