Antonyms for the term "puts across" include phrases that suggest a lack of communication, clarity or coherence. Some examples of contrasting expressions include "doesn't convey", "misrepresents", and "obfuscates". Other antonyms may focus on verbs that indicate a lack of effectiveness or persuasion, such as "fails to convince", "misses the mark", or "doesn't hit home". Similarly, antonyms may play up the idea of miscommunication or misunderstanding, with phrases like "gets lost in translation", "leaves out crucial details", or "doesn't make sense". With such varying antonyms, it's clear that "puts across" can be a difficult term to pinpoint, and truly depends on the context in which it's used.