What does «deslizar» mean in Spanish?

Slip.
To put a thing in a place with softness or dissimulation.

Examples of use in Spanish: "deslizar una carta debajo de la puerta".
Saying.

Examples of use in Spanish: "deslizar una palabra".
(deslizarse) Drain.
(deslizarse) Escape, escape.
(deslizarse) Slipping.
(deslizarse) Introduce yourself.

Examples of use in Spanish: "se ha deslizado una falta".
(deslizarse) Falling into a weakness.

Examples of use in Spanish: "deslizarse en el vicio".