Pronunciation: [fˈɪld ˈʌp] (IPA) 
The correct spelling of the phrase "filled up" is /fɪld ʌp/. The "e" in "filled" is dropped in the past tense form, and the /d/ sound is added, creating the "ed" ending. The "u" in "up" is pronounced as a short vowel sound, and the "p" is aspirated, meaning a puff of air is released when pronouncing it. "Filled up" can mean to completely fill or to become fully satisfied or content.
"Filled up" is a phrasal verb that describes the action of completely filling something or reaching maximum capacity. It implies the act of making an object or space full, often with a substance, such as a liquid or a solid. This term can be used in various contexts, including physical, emotional, and metaphorical situations.
In a physical sense, "filled up" refers to the state of having no more space or room left in an object or container. For example, a glass can be filled up with water until it is unable to hold any more liquid. Similarly, a gas tank can be filled up with fuel until it reaches its maximum capacity.
In an emotional sense, "filled up" can describe the feeling of being completely satisfied, content, or emotionally fulfilled. For instance, one might say, "I feel so filled up with joy after spending time with my family."
Metaphorically, "filled up" is used to express the idea of being fully occupied or overwhelmed. This can refer to a schedule that is completely booked or a mind that is occupied with many thoughts or ideas. It can also describe a situation in which someone's attention is completely engaged or absorbed in an activity.
In summary, "filled up" pertains to the action or state of completely filling something physically, emotionally, or metaphorically until it reaches its maximum capacity or state of fulfillment.
The word "filled up" is a combination of two separate words: "filled" and "up".
The word "filled" comes from the Old English word "fyllan", which means "to make full, fill up". It can be traced back to the Proto-Germanic word "fulljan" and the Proto-Indo-European root "pel-", meaning "to fill".
The word "up" originated from the Old English word "uppan" or "upp", which refers to a direction or location of elevation. It ultimately comes from the Proto-Germanic word "ub" and the Proto-Indo-European root "upo", meaning "up" or "over".
When these two words are combined, "filled up" simply means to completely fill or occupy to the top or maximum capacity.
