(informal) no problem

unthinkable, out of the question

practical question (problem)

sharp rise; sudden rise / (of aircraft) ascent at a steep angle

to rise sharply; to rise suddenly / (of aircraft) to ascend at a steep angle

(of aircraft) nosedive; descent at a steep angle; plunge

(of aircraft) to nosedive; to descend at a steep angle; to plunge

steep angle

overgrown; luxuriant, thickly growing, lush

a person with lithe movements / kind (adj.), favor / good, excellent, surpass, superior / the best possible grade on school results / rich, wealthy / a sufficient amount for a certain thing