Words Plunge and Upsweep are semantically related or have opposite meaning

How are the words Plunge and Upsweep related? Plunge and Upsweep are antonymous, they have opposite meaning.

Semantics relationships

random-word-gen/outwords.json at master · Zirak/random-word-gen · GitHub

Opposites/Antonyms Matching Worksheets at

Semantic relation among words

levenshtein-dictionary/dictionaries/levenshtein dictionary (adapt) 2014-01-22.rtf at master · northamerican/levenshtein-dictionary · GitHub

CS-1.1-Object-Oriented-Programming/Projects/Spaceman/words.txt at master · Make-School-Courses/CS-1.1-Object-Oriented-Programming · GitHub

PDF) English Homophones and Spelling

Antonyms.dhkt.01 - semantic subject - Antonyms Antonyms are pairs or groups of words that are - Studocu

Expensive Words-A-Z, PDF

MITx-6.00x/Week5/ProblemSet5/words.txt at master · oczkers/MITx-6.00x · GitHub