accessible β If a place or building is accessible to people, it is easy for them to reach it or get into it. If an object is accessible, it is easy to reach.
clear β Something that is clear is easy to understand, see, or hear.
effortless β requiring or involving no effort; displaying no signs of effort; easy: an effortless writing style.
obvious β easily seen, recognized, or understood; open to view or knowledge; evident: an obvious advantage.
painless β without pain; causing little or no pain: painless dentistry; a painless cure.
simple β easy to understand, deal with, use, etc.: a simple matter; simple tools.
smooth β free from projections or unevenness of surface; not rough: smooth wood; a smooth road.
straightforward β going or directed straight ahead: a straightforward gaze.
uncomplicated β to make complex, intricate, involved, or difficult: His recovery from the operation was complicated by an allergic reaction.
apparent β An apparent situation, quality, or feeling seems to exist, although you cannot be certain that it does exist.
basic β You use basic to describe things, activities, and principles that are very important or necessary, and on which others depend.
no problem β any question or matter involving doubt, uncertainty, or difficulty.
no sweat β Informal. (of clothes) made to be worn for exercise, sports, or other physical activity. made of the absorbent fabric used for such clothes: sweat dresses. of, for, or associated with such clothes: the sweat look in sportswear.
nothing to it β If you say about a story or report that there is nothing to it, you mean that it is untrue.
paltry β ridiculously or insultingly small: a paltry sum.
piece of cake β a sweet, baked, breadlike food, made with or without shortening, and usually containing flour, sugar, baking powder or soda, eggs, and liquid flavoring.
plain β clear or distinct to the eye or ear: a plain trail to the river; to stand in plain view.
plain sailing β Navigation. sailing on waters that are free of hazards or obstructions. Compare plane sailing.