thrifty
Concise Oxford English Dictionary © 2008 Oxford University Press:
thrifty/ˈθrɪfti/
▶adjective (thriftier, thriftiest)
- 1 careful and prudent with money.
- 2 chiefly archaic or dialect (of livestock or plants) strong and healthy.
– derivatives
thriftily adverb,
thriftiness noun.
thriftily adverb,
thriftiness noun.
'thrifty' also found in these Oxford entries:

