What is the adjective form of "energy"? The adjective form of "energy" is "energetic." Pronounced as [?en?'d?et?k] in British English and [?液謹en?r'd?et?k] in American English, "energetic" describes something or someone that is full of energy and capable of performing activities with vigor. Here are some examples of how "energetic" can be used:1. Energetic electron - 高能電子2. Energetic particle - 高能粒子3. Energetic fuel - 高能燃料4. Highly energetic compound - 高能化合物5. Energetic ray - 高能射線In bilingual sentences:- "He seems an energetic person." (他似乎是一個精力充沛的人。)There are two types of adjectives:1. Descriptive adjectives that describe the nature, color, size, and state of a noun. For example:- "He bought some new books." (他買了一些新書。)- "These books are new." (這些書是新的。)- "She wrote the letter with blue ink." (她用藍墨水寫了那封信。)- "The ink is blue." (這墨水是藍色的。)2. Substantive adjectives that are derived from nouns related to substances. For example:- "This glass dish looks very fragile." (這個玻璃盤子看起來很脆弱。)- "It's a glassy substance." (它是一種玻璃狀的物質。)