dull
boring
monotonous
mundane
Re-energise best defines 'invigorate'.
a word-for-word excerpt from a text
Subterfuge IMO.
immagrant
Horde is a good synonym for swarm.
Nothing really. It's a curse word.
Oligarchy.
Quality -APEX
Everywhere. More precisely, present everywhere.
I believe you mean personification.
Another word for dull and boring would be gloomy.
Quality