English
Adjective
twice-yearly (not comparable)
- Happening twice each year; semi-annual; biannual.
1950, British Ecological Society, “The Journal of Animal Ecology”, in Science, Blackwell, page 66:While the migrations of many butterflies now appear to be twice-yearly movements away from and back to the same areas, they differ from those of birds in ...
1992, Rigas Doganis, The Airport Business, Routledge, →ISBN, page 101:At the twice-yearly IATA timetable co-ordination meetings, airlines from ...
2008, The American Affluence Research Centre website[1]:Twice-Yearly Surveys of Affluent Americans
Adverb
twice-yearly (not comparable)
- (UK & Commonwealth) Twice each year; semi-yearly; biannually.