halfyearly (adjective) biannual: occurring twice a year
Detalii: biannual is happening twice per year while biennial is happening every second year
Sinonime: binding, borderline, brim,
brink,
edge, edging, flounce, hem,
limit, mane,
march, margin,
outside, outskirts, perimeter, periphery, rickrack, ruffle, skirt, tassel,
vergeAntonime: center,
inside,
interior,
middle