resistant to cutting or chewing | not making concessions |
physically toughened | having rugged physical strength; inured to fatigue or hardships |
not given to gentleness or sentimentality | substantially made or constructed |
unfortunate or hard to bear | |
substantially made or constructed | |
feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad') | |
violent and lawless | |
very difficult; severely testing stamina or resolution | |
making great mental demands; hard to comprehend or solve or believe | |