thrifty
efficient; not wasting money, fuel, etc
an economical little car
relating to economies, finance, or an economy; = economic
be economical with the truth
to lie, or be less than totally honest or open
[associated with the 1986 ‘Spycatcher’ trial in Australia, in which the British government sought to prevent publication of a book by a former employee of MI5. The Cabinet Secretary, Sir Robert Armstrong, referred to a piece of evidence as giving ‘a misleading impression, not a lie. It was being economical with the truth.’ Economy or truth is a phrase found in the 18th cent.]economically adv