Definition and synonyms of shy of something from the online English dictionary from Macmillan Education.. This is the British English definition of shy of something.View American English definition of shy of something.. Change your default dictionary to American English. Shy kidney syndrome; shy of; shy of (something) shy of something; Shy Past Students Association; shy person; shy study; (of a horse) to suddenly move…. Definitions by the largest Idiom Dictionary. What does shy of expression mean? Gums definition, any of various viscid, amorphous exudations from plants, hardening on exposure to air and soluble in or forming a viscid mass with water. Learn more. Shy definition is - easily frightened : timid. Shy definition, bashful; retiring. Definition of shy of in the Idioms Dictionary. How to use shy in a sentence. How to use gum in a sentence. Gum definition is - the tissue that surrounds the necks of teeth and covers the alveolar parts of the jaws; broadly : the alveolar portion of a jaw with its enveloping soft tissues. See more. Synonym Discussion of shy. shy definition: 1. nervous and uncomfortable with other people: 2. less than: 3. What the majority of people call you if you are smart enough not to got out every night of the week filling yourself up with alcohol, listening to others peoples mind-numbing conversations about popular culture and then vomiting it all back up on your bathroom floor. See more. shy of phrase. scant; short of a full amount or number: still a few dollars shy of our goal; an inch shy of being six feet.