V.

become irrelevant (Tanya Gesse); become inapplicable (Tanya Gesse); secede (от церкви); fall off; peel off; drop out of (an organization); cease to have significance; be no longer relevant; pass (of a feeling); break away; come off; desquamate; drop off

Gruzovik

fall off; fall away (pf of отпадать); drop off (pf of отпадать); come off (pf of отпадать); desquamate (pf of отпадать)

Игорь Миг

be blown away; run one's course

Gruzovik, übertr.

lose touch with (pf of отпадать); defect from (pf of отпадать); drop away from (pf of отпадать); fall away from (pf of отпадать); pass (pf of отпадать); vanish (pf of отпадать); be over (pf of отпадать); be no longer valid (pf of отпадать)

idiom.

fall by the wayside (... Alas, their fantastic theories fell by the wayside when authorities arrived to investigate the curious remains and determined that the animal was a black killer whale. (coasttocoastam.com) -- их фантастические теории отпали ART Vancouver)

kont.

naturally fall into place and solve oneself (Then, the rest of the issues will naturally fall into place and solve themselves.)

Makarow.

break away (от чего-либо)

Math.

drop out; be eliminated

Recht.

revolt

Slang.

fall out; knock one's socks off

übertr.