WordNet records no synonym and no antonym for see through. It is the only member of each of its synsets, which is common for technical, taxonomic and single-sense vocabulary — there is no other English word that means the same thing. The broader and narrower terms below are the useful relations in that case.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
support financially through a period of time
“The scholarship saw me through college”
perceive the true nature of
“We could see through her apparent calm”
remain with until completion
Synonyms, antonyms and the broader and narrower relations for see through come from Princeton University’s WordNet. Full sources and licences.
“I must see the job through”