Dangerous (Adjective) - खतरनाक/भयंकर
Synonyms:Hazardous, Perilous, Serious, Threatening.

Dearth (Noun) - अकाल/कमी/अभाव
Synonyms:Absence, Shortage, Poverty, Scarcity.

Dedication (Noun) - समर्पण
Synonyms:Devotion, Loyalty, Faithfulness.

Delightful (Adjective) - आनंदप्रद
Synonyms:Enjoyable, Fascinating, Pleasant.

Democracy (Noun) - प्रजातंत्र
Synonyms:Autonomy, Republic, Self Government.

Depreciate (Verb) - दाम कम होना
Synonyms:Decrease, Reduce, Minimise, Devalue.

Descend (Verb) - नीचे आना
Synonyms:Dismount, Deteriorate.

Despair (Verb) - निराश होना
Synonyms:Collapse, Giveup, Surrender.

Destroy (Verb) - नष्ट करना
Synonyms:Demolish, Devastate, Eliminate, Extinguish.

Device (Noun) - औजार/साधन
Synonyms:Apparatus, Tool, Instrument, Appliance.

Devil (Noun) - दुष्ट मनुष्य/असुर
Synonyms:Demon, Fiend, Imp.

Diagnose (Verb) - लक्षण देख कर रोग का निर्णय करना
Synonyms:Analysis, Determine, Distinguish, Isolate.

Difficult (Adjective) - कठिन/विषम
Synonyms:Complicate, Hard, Uphill, Thorny.

Diplomat (Noun) - राजनीतिक कुशल
Synonyms:Go-Between, Mediator, Moderator, Negotiator.

Disgraceful (Adjective) - अपमान कारक/लज्जाजनक
Synonyms:Dishonourable, Dreadful, Shameful, Mean.

Dismay (Verb) - हताश करना
Synonyms:Depress, Disappoint, Terrify, Discourage, Horrify.

Diversity (Noun) - भिन्नता/विषमता
Synonyms:Difference, Variety, Range.

Drainage (Noun) - पानी और कूड़ा कचरा का निकास
Synonyms:Sewage, Waste.

Dramatist (Noun) - नाटककार
Synonyms:Comedian, Playwright, Play-Writer, Script-Writer.

Drunkard (Noun) - पियक्कड़
Synonyms:Drinker, Drunk, Lush, Soak.

Duration (Noun) - दीर्घ-स्थायी/अवधि
Synonyms:Period, Extent, Stretch, Lenght.

Dwarf (Noun) - बौना
Synonyms:Elf, Gnome, Lilliputian, Pigmy, Tom, Thumb.

Dynamic (Adjective) - शक्तिमान
Synonyms:Active, Energetic, Forceful, Powerful.