O OneWordDaily
AI-generated image
Word of the Day Tuesday, June 9, 2026

inertial

/ɪnˈɛrʃəl/ adjective · British & US
Valid in UKValid in US
Share WhatsApp

What does inertial mean?

adjective

Relating to or denoting a body that remains at rest or in uniform motion in a straight line unless acted upon by an external force; not subject to the effects of a force, such as friction or air resistance.

Example

"The spacecraft maintained its inertial state for several hours before the engines were fired."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for inertial

Antonyms of inertial

Rhymes with inertial

Etymologically related