Bulky/ˈbʌlki/ Definition 1 of 3Pro Tip 1/3Physical Presence Bulky refers to physical size and weight, implying a challenge to move or store. I had trouble fitting the bulky sweater in my suitcase. Pro Tip 2/3Not Discreet Using 'bulky' can suggest something is inconveniently visible due to its size. He wore a bulky cast on his leg that everyone noticed. Pro Tip 3/3Space Consuming Bulky items eat up space, making an area feel smaller or more cluttered. The bulky sculpture dominated the tiny apartment.