Synonyms of the word

ump

• n. (baseball, informal) An umpire.
• v. (intransitive) To act as an umpire.

official

• adj. Of or pertaining to an office or public trust.
• adj. Derived from the proper office or officer, or from the proper authority; made or communicated by virtue…
• adj. Approved by authority; authorized.
• adj. sanctioned by the pharmacopoeia; appointed to be used in medicine; officinal.
• adj. Discharging an office or function.
• adj. Relating to an office; especially, to a subordinate executive officer or attendant.
• adj. Relating to an ecclesiastical judge appointed by a bishop, chapter, archdeacon, etc., with charge of the…
• adj. True, real, beyond doubt.
• n. An office holder invested with powers and authorities.
• n. A person responsible for applying the rules of a game or sport in a competition.

umpire

• n. (tennis) The official who presides over a tennis game sat on a high chair.
• n. (cricket) One of the two white-coated officials who preside over a cricket match.
• n. (baseball) One of usually 4 officials who preside over a baseball game.
• n. (American football) The official who stands behind the line on the defensive side.
• n. (Australian rules football) A match official on the ground deciding and enforcing the rules during play…
• n. (law) A person who arbitrates between contending parties.
• v. (sports, intransitive) To act as an umpire in a game.
• v. (transitive) To decide as an umpire; to arbitrate; to settle (a dispute, etc.).