Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
We learn, too, of the Mohs Scale that judges hardness, a logarithmic affair where diamond (at the top, scoring 10) can scratch corundum (nine) all the way down to talc (one).