1. (adj)south, due south, southward, S the cardinal compass point that is at 180 degrees Synonyms: due south, entropy, southward, sec, reciprocal ohm, south, second, siemens, sulfur, atomic number 16, randomness, sulphur, mho Antonyms: north
2. (adverb)southbound, southward moving toward the south Synonyms: southbound, southward Antonyms: north
3. (adverb)southerly, southward, southwards toward the south Synonyms: southwards, southward, southerly Antonyms: north