'drift away' definitions:

Definition of 'drift away'

verb

Lose personal contact over time; "The two women, who had been roommates in college, drifted apart after they got married" [syn: drift apart, drift away]

Synonyms of 'drift away'

From: Moby Thesaurus

decline,
die away,
diminish,
dwindle,
ebb,
fade,
fade away,
go,
go away,
move away,
move off,
pull away,
recede,
retire,
retreat,
retrocede,
shrink,
sink,
stand off,
wane,
widen the distance,
withdraw