combination; jumpers(детский); one-piecer(в отличие от костюма); boilersuit; wrapper; jumpsuit(Jusse); onsie(mexa); biballs(Arleyn); one piecer; save-all; flying suit(лётчика); overall(джинсовый комбинезон), jumpsuit (тканевый комбинезон с длинными штанинами), playsuit (тканевый комбинезон с шортиками lockamp); romper(как элемент повседней одежды DTO); slop; dungarees(Anglophile); full body garment(A flight suit is a full body garment, worn while flying aircraft such as military airplanes, gliders and helicopters. 4uzhoj); coverall(или coveralls, тж. one-piece coverall) The boilersuit is also known as coveralls in North America, or as an overall (or overalls) elsewhere, especially in the UK; in North America "overall" is more usually understood as a bib-and-brace overall, which is a type of trousers with attached suspenders. A more tight-fitting garment that is otherwise similar to a boilersuit is usually called a jumpsuit. 4uzhoj); onesie(пижама-комбинезон с капюшоном itsacatfish); dungaree(kreecher)
overalls(An overall, coverall, over all, or dungarees, is a type of garment which is usually used as protective clothing when working. Some people call an overall a "pair of overalls" by analogy with "pair of trousers". WAD Alexander Demidov)