Related Clues:

• Old American tyrant goes in for taxing
• Difficult individual to excite, being devoid of energy
• Involving much effort
• Effortful
• Hard to lift aggregate, cutting weight
• Individual will need to get up shortly — not at all easy
• Oppressive old emperor who was cruel and useless
• Demanding old emperor not fit for purpose
• Oppressive old tyrant backed by western superpower
• Heavy, difficult to do or bear
• Involving a great deal of effort
• Oppressive individual with sour disposition
• Ace with sour disposition and very hard
• Toilsome
• Oppressive old emperor's round the bend?