Depending on the meaning of the phrase in Esperanto, the suffix for the present participle (-ant-) may cover most of the senses of "always in motion" such as: kuranta (adjective: kur'i = to run + ant'+ a) or movanta. The expression "ĉiam movanta" is also a possibility as an adjective or as an adverb with -e termination, "ĉiam movante".
Jeff is so entergetic and always in motion
Friction always opposes the motion of a body by acting in the opposite direction to its motion.
The force on Earth that always opposes the motion of a body when it is in motion is called friction.
The word for a swelling motion is "undulate."
The word "motion" has its origin in Middle English from the Old French word "motion" and the Latin word "motio," both meaning movement or action.
Esperanto
The Esperanto word for navy is mararmeo but there is no word for marines in Esperanto.
The Esperanto word for smart is "lerta." The Esperanto word for stupid is "stulta."
Esperanto
The Esperanto word for barrier is baro and the word for fence is barilo.
The Esperanto word for timber is arbojn. The word for wood is ligno.
The Esperanto words for loud and soft are lauta and malvarmeta.
The Esperanto words for pants and skirt are pantalonoj and jupo.
The Esperanto words for shoe and sneaker are suo and sneaker.
The Esperanto words for lips and gums are lipoj and gingivoj.
The Esperanto words for future and current are estonteco and nuna.
The Esperanto words for sudden and gradual are subita and laŭgrada.