'Unsafe' definitions:

Definition of 'unsafe'

From: WordNet
adjective
Lacking in security or safety; "his fortune was increasingly insecure"; "an insecure future" [syn: insecure, unsafe] [ant: secure]
adjective
Involving or causing danger or risk; liable to hurt or harm; "a dangerous criminal"; "a dangerous bridge"; "unemployment reached dangerous proportions" [syn: dangerous, unsafe] [ant: safe]
adjective
Not safe from attack [syn: insecure, unsafe]

Definition of 'Unsafe'

From: GCIDE
  • Unsafe \Unsafe\ See safe.