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.
Within a day or two, toxic clouds of pulverized rock, sulfate aerosoles and wildfire soot had blanketed the planet, blocking all but a tiny fraction of the sun’s energy and bringing photosynthesis to a virtual halt for the only known time in history.