superman /sooˈ or sūˈpər-man/

1. An ideal man
2. A man with exceptional strength or ability
3. A fictional character with superhuman powers

• know what it is
• know what o'clock it is
• know what one is talking about
• know what's o'clock
• know what's what
• know where the shoe pinches
• know which side one's bread is buttered on
• know who's who
• knub
• knubbier
• knubbiest
• knubble
• knubbled
• knubbles
• knubblier
• knubbliest
• knubbling
• knubbly
• knubby
• knubs
• knuckle
• knuckleball
• knuckleballer
• knuckleballers
• knuckleballs