Vigilant
Observant, Watchful, Keen-eyed (Adjective).
Retrieve
Recover, Regain, Get something back (Verb).
Apprehensive
Alarmed, Anxious, Concerned, Worried (Adjective).
Braille
A system of printing with raised dots for the blind people, named after its inventor Louis Braille.
Protégé
Student, Trainee, Apprentice (Noun).
Mural
A painting curved on a wall (Noun).
Surveillance
Monitoring, Supervision, Inspection (Noun).
Condensation
Moisture, Mist on glass surfaces like car windshields and window panes (Noun).
Dacha
A country house in Russia, usually vacation homes.
Puddle
A small pool of liquid, Plash (Noun).
Gruff
Abrupt, Brusque (Adjective).
Assertive
Positive, Confident, Decisive (Adjective).
Pulmonary
Related to lungs (Adjective, Medical).
Contingent
Unpredictable, Fortuitous, Unforeseeable (Adjective).
Dismay
Anxiety, Discomposure, Distress (Noun).
Redundancy
Dismissal from job, Lay-off, Recession (Noun).
Scraggy
Thin, Skinny, Scrawny, Bony (Adjective).
Influx
Rush, Flood, Inflow, Inundation (Noun).
Implicit
Indirect, Implied, Hinted, Suggested (Adjective).
Stratification
Classification, Division of the society in strata or groups (Noun).
Impoverished
Poor, Insolvent, Penniless (Adjective).
Flustered
Agitated, Unsettled, Upset (Adjective).
Gullible
Credulous, Naïve (Adjective).
Cavernous
Immense, Spacious, Capacious (Adjective).
Stealth
Secrecy, Slyness (Noun).
