Princeton's WordNet

1. rugged(adj)

   sturdy and strong in constitution or construction; enduring

   "with a house full of boys you have to have rugged furniture"

2. furrowed, rugged(adj)

   having long narrow shallow depressions (as grooves or wrinkles) in the surface

   "furrowed fields"; "his furrowed face lit by a warming smile"

3. broken, rugged(adj)

   topographically very uneven

   "broken terrain"; "rugged ground"

4. rugged, tough(adj)

   very difficult; severely testing stamina or resolution

   "a rugged competitive examination"; "the rugged conditions of frontier life"; "the competition was tough"; "it's a tough life"; "it was a tough job"

Kernerman English Learner's Dictionary

1. rugged(adjective)ˈrʌg ɪd

   rocky and rough

   rugged terrain

2. ruggedˈrʌg ɪd

   (of sb's features) strong and rough in an attractive way

   his rugged good-looks

Webster Dictionary

1. Rugged(noun)

   full of asperities on the surface; broken into sharp or irregular points, or otherwise uneven; not smooth; rough; as, a rugged mountain; a rugged road

2. Rugged(noun)

   not neat or regular; uneven

3. Rugged(noun)

   rough with bristles or hair; shaggy

4. Rugged(noun)

   harsh; hard; crabbed; austere; -- said of temper, character, and the like, or of persons

5. Rugged(noun)

   stormy; turbulent; tempestuous; rude

6. Rugged(noun)

   rough to the ear; harsh; grating; -- said of sound, style, and the like

7. Rugged(noun)

   sour; surly; frowning; wrinkled; -- said of looks, etc

8. Rugged(noun)

   violent; rude; boisterrous; -- said of conduct, manners, etc

9. Rugged(noun)

   vigorous; robust; hardy; -- said of health, physique, etc

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