Noun

• S: (n) cub, greenhorn, rookie (an awkward and inexperienced youth)
• direct hypernym / inherited hypernym / sister term
• S: (n) novice, beginner, tyro, tiro, initiate (someone new to a field or activity)
• S: (n) unskilled person (a person who lacks technical training)
• S: (n) person, individual, someone, somebody, mortal, soul (a human being) "there was too much for one person to do"
• S: (n) organism, being (a living thing that has (or can develop) the ability to act or function independently)
• S: (n) living thing, animate thing (a living (or once living) entity)
• S: (n) whole, unit (an assemblage of parts that is regarded as a single entity) "how big is that part compared to the whole?"; "the team is a unit"
• S: (n) object, physical object (a tangible and visible entity; an entity that can cast a shadow) "it was full of rackets, balls and other objects"
• S: (n) physical entity (an entity that has physical existence)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• S: (n) causal agent, cause, causal agency (any entity that produces an effect or is responsible for events or results)
• S: (n) physical entity (an entity that has physical existence)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• S: (n) cub, lad, laddie, sonny, sonny boy (a male child (a familiar term of address to a boy))
• S: (n) cub, young carnivore (the young of certain carnivorous mammals such as the bear or wolf or lion)

Verb

• S: (v) cub (give birth to cubs) "bears cub every year"