Unpredictable midget Synonyms

Definitions for Unpredictable

(adjective) likely to change frequently, suddenly, or unexpectedly
(adjective) unknown in advance
(adjective) not occurring at expected times

Synonyms for phrase

unreliable model

UM abbreviation

UM is an abbreviation for Unpredictable Midget

What does UM stand for?

UM stands for "Unpredictable Midget"

Definitions for Midget

(noun) a living thing much smaller than others of its kind
(noun) a person who is markedly small
(adjective) very small