19-letter words containing g, s, t, a
- watch night service — a service held on the night of December 24, or of December 31
- waterglass painting — stereochromy.
- wireless telegraphy — Now Rare. radiotelegraphy.
- world heritage site — a natural or manmade area or structure which is recognized as being of international importance and therefore deserving special protection
- yellowtail kingfish — a large carangid game fish, Seriola grandis, of S Australian waters
- young conservatives — the youth section of the United Kingdom Conservative Party until 1998
- zero-base budgeting — a process in government and corporate finance of justifying an overall budget or individual budgeted items each fiscal year or each review period rather than dealing only with proposed changes from a previous budget. Abbreviation: ZBB.