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This tool relates English terms to concepts from the
SUMO
ontology by means of mappings to
WordNet synsets.
Gloss: 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"
similar to 300744916 - difficult, hard
derivationally related 104710866 - formidability, toughness
derivationally related 104710588 - hardness, ruggedness
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