The phrase "get one down" is often used to describe an emotional state of feeling low or depressed. There are several synonyms that can be used in place of this phrase, including "dishearten," "demoralize," "discourage," "dismay," and "depress." Each of these words conveys a similar emotional state, but with slightly different nuances. For instance, "dishearten" suggests a loss of hope or motivation, while "demoralize" implies a loss of confidence or morale. "Dismay" suggests a feeling of shock or surprise, while "depress" conveys a more general sense of emotional heaviness or sadness. Regardless of the exact synonym used, all of these words indicate a negative emotional state that can be difficult to shake.