1. to act without moderation; to be excessive or unreasonable in behavior, consumption, or expression
He tends to be immoderate in his drinking habits.
Ele tende a ser imoderado em seus hábitos de bebida.
2. to lack restraint or self-control in one's actions or desires
She was immoderate in her spending during the sale.
Ela foi imoderada em seus gastos durante a promoção.