puny

Short definition from Wiktionary

Adjective

1. 1
   Of inferior significance, size, or strength; ineffective, small, weak.
2. 2
   (Frequently) ill; poorly, sickly.
3. 3
   Alternative spelling of puisne: Inferior in rank; specifically, of a judge: junior.
4. 4
   Alternative spelling of puisne: Coming later in time; secondary, subsequent.
5. 5
   Alternative spelling of puisne: Not experienced; novice.

Noun

1. 1
   An inferior person; a subordinate; also, an insignificant person.
2. 2
   A younger person; a junior.
3. 3
   Alternative spelling of puisne: A person who is not experienced; a beginner, a novice.
4. 4
   Alternative spelling of puisne: A puisne or junior judge.
5. 5
   A new student at a school, university, the Inns of Court, etc.; a junior.