There are numerous synonyms for the phrase "not in the budget." Some of the common synonyms include unaffordable, beyond means, out of pocket, out of reach, too expensive, and financially impossible. Other synonyms for the phrase are not on the cards, impossible, impracticable, unfeasible, and unrealistic. These synonyms are essential to add variety to one's vocabulary while expressing their inability to afford something. Using these synonyms can also help to avoid repetition in written or spoken communication. In conclusion, having a diverse range of synonyms for "not in the budget" can help one to convey the same message in a more nuanced manner.