wirtschaftlich
economic
Relating to the economy, that is, the area of production, trade, and finance.
Die wirtschaftliche Lage des Landes hat sich in den letzten Jahren verbessert.
The country's economic situation has improved in recent years.

economic / economical
Loading your saved state.
economic
Relating to the economy, that is, the area of production, trade, and finance.
Die wirtschaftliche Lage des Landes hat sich in den letzten Jahren verbessert.
The country's economic situation has improved in recent years.

The adjective 'wirtschaftlich' (economic/economical) is derived from the noun 'die Wirtschaft' (the economy). The ending '-lich' means 'in the manner of' or 'related to' and turns the noun into an adjective.
Wir müssen die wirtschaftliche Entwicklung genau beobachten.
We must monitor economic development closely.
The meaning depends heavily on context. If the word refers to larger contexts like 'Lage' (situation) or 'Krise' (crisis), it means 'concerning the economy.' If it refers to an action or decision, it means 'efficient' or 'economical.'
Die politische und wirtschaftliche Situation ist stabil.
The political and economic situation is stable.
In the meaning 'efficient,' 'wirtschaftlich' (economical) is often used as an adverb to describe a verb. It then means that you use resources such as money or time wisely.
Wir müssen lernen, wirtschaftlicher zu handeln.
We need to learn to act more economically.
financial
'wirtschaftlich' and 'finanziell' both have to do with money and the economy. 'finanziell' is especially appropriate when something is directly about money, costs, income, or the financial situation of people, companies, or countries. 'wirtschaftlich' is broader: it can refer to the economy in general, but it can also mean that something is economical, profitable, or sensible in terms of costs. Learners can easily confuse the words because both occur in money-related contexts. As a simple guideline: if it is only about money, 'finanziell' is often more precise. If it is about the economy in a broader sense or about efficient action, 'wirtschaftlich' fits better.

Für die Firma ist der neue Lieferweg wirtschaftlich, weil er Zeit und Kosten spart.
For the company, the new delivery route is economical because it saves time and costs.
Nach der langen Krankheit braucht die Familie finanzielle Unterstützung.
After the long illness, the family needs financial support.