(intransitive) To move downwards, to fall, to drop. / (intransitive) To become weaker or worse. / (transitive) To bend downward; to bring down; to depress; to cause to bend, or fall.

Downward movement, fall. / A sloping downward, e.g. of a hill or road. / A weakening. / A reduction or diminution of activity. / The act of declining or refusing something.

At a given point, the angle between magnetic north and true north. / At a given point, the angle between the line connecting this point with the geographical center of the earth and the equatorial plane.

decline

present participle and gerund of decline

simple past tense and past participle of decline

plural of declination

Bent downward or aside. / (botany) Bending downward in a curve; declined.

(grammar) Synonym of decline

(grammar) The quality of being declinable.