Definitions:

1. Angered at something unjust or wrong. ADJECTIVE
   • He was umbrageous about some media coverage that suggested much lower numbers.
2. Creating or providing shade; shady. ADJECTIVE
   • The estate's grounds include a delightfully umbrageous grove.
3. Inclined to take offense easily. ADJECTIVE
   • He was umbrageous, ready to be discomposed by the action of others.

Synonyms:

• defensive
• easily upset
• indignant
• sensitive
• shaded
• shadowed
• shadowy
• shady
• thin-skinned
• touchy