Nothing really. It's a curse word.
Re-energise best defines 'invigorate'.
Impressment is forcing American sailors into joining the British Navy.
a word-for-word excerpt from a text
immagrant
Subterfuge IMO.
Horde is a good synonym for swarm.
Oligarchy.
(The act or policy of seizing people or property for public use is called impressment.)"One cause of the War of 1812 was the impressment of US sailors into the British navy."
Everywhere. More precisely, present everywhere.
dull boring monotonous mundane
Quality -APEX
Experiment is the word that defines an investigation in science that is controlled.