declinar
de.cli.nar

vint+vt
1 to reject, refuse, decline.
2 to bend downwards.
3 to mention, reveal.
4 to decline, inflect.
5 to deviate from.
6 to lean, incline.
7 to decline, sink, fall, decrease, decay.
8 to approach the close, wane.
9 to lower, diminish.Expressõesestá declinando it is on the wane.
suas forças declinam rapidamente he is failing fast.