i Register
In some senses, pup is marked as informal. Watch for register when choosing this word.
noun
A young dog, wolf, fox, seal, bat or shark, or the young of certain other animals.
The dog has had that bed since he was just a pup.
A young, inexperienced person.
The new teacher is a mere pup.
Any cute dog, regardless of age.
My pup likes to run as fast as he can, yet cannot always stop in time!
A short semi-trailer used jointly with a dolly and another semi-trailer to create a twin trailer.
A new plant growing from a shoot that can be used for propagation.
verb
To give birth to pups.
noun
Acronym of potentially unwanted program, software that most computer users do not want on their computers, such as adware.
Paid up
Prokaryotic ubiquitin-like protein