Steady and not likely to move or change

Not sensible or possible for practical reasons

The science relating to the movement of objects and the forces involved in movement.

An idea of how something is, or how something should be

The weather at a particular time, especially when you are considering how it affects people.

The ___________ outside changed quickly from hot and sunny to cold and windy.

Redesigning the library is _________ because of the great effort it would take.

If you slam on the brakes in a car, the _______ are such that everyone will propel forward until stopped by their seat belts.

The bookshelf is well built and very ______.

The ________ for the school dance is that it is a winter wonderland.

What part of speech is impractical?

Which are antonyms of impractical?

Which are synonyms of impractical?