1.
Something that is economical does not require a lot of money to operate. For example a car that only uses a small amount of petrol is economical.
...plans to trade in their car for something smaller and more economical...
It is more economical to wash a full load.
ADJ: oft ADJ to-inf, it v-link ADJ to-inf
• economically
Services could be operated more efficiently and economically.
ADV: ADV after v
2.
Someone who is economical spends money sensibly and does not want to waste it on things that are unnecessary. A way of life that is economical does not need a lot of money.
...ideas for economical housekeeping.
ADJ
3.
Economical means using the minimum amount of time, effort, or language that is necessary.
His gestures were economical, his words generally mild.
ADJ: usu v-link ADJ