(uncountable) Modern or contemporary ideas, thought, practices, etc. / (countable) Anything that is characteristic of modernity.

plural of modernism

Obsolete form of modern.

Pertaining to a current or recent time and style; not ancient. / (history) Pertaining to the modern period (c.1800 to contemporary times), particularly in academic historiography.

Someone who lives in modern times.

The quality of being modern or contemporary. / Modern times. / (history) Quality of being of the modern period of contemporary historiography.

An advocate of modernization.

The process of modernizing.

(transitive) To make (something old or outdated) up to date, or modern in style or function by adding or changing equipment, designs, etc.

plural of modern