пустяк — meaning in English

pustyak

English meaning

bagatelle noun Something of very little importance or value.
breeze noun A light, pleasant wind.
doddle noun (informal) Something very easy to do.
trifle noun A British dessert layered with sponge cake, custard, fruit, jelly, and whipped cream.
trinket noun A small decorative item, especially cheap jewelry, valued more for looks than worth.
trivia noun Small, unimportant facts or details, often obscure ones.

пустяк is used for these senses in English:

bagatelle A trifle; an insubstantial thing.
breeze (figurative) Any activity that is easy, not testing or difficult.
doddle (UK, Irish, Australia, informal) A job, task, or other activity that is easy to complete or simple.
for nothing For no reason.
trifle (figurative) Anything that is of little importance or worth.
trinket (figurative) A thing of little value; a toy, a trifle.
trivia Insignificant trifles of little importance, especially items of unimportant information; froth.
walk in the park (idiomatic) Something easy or pleasant.

noun Something of very little importance or value.
noun A short piece of music or writing, usually light and playful in style.
noun A billiards-like game played on a rectangular table that has pockets or arches at only one end.
noun Any of a number of small wooden tabletop games based on the original, where pins take the place of pockets.