Adjective

(en adjective)

Pertaining to infants.

infantile paralysis

*{{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)

, chapter=9 citation , passage=Eustace gaped at him in amazement. When his urbanity dropped away from him, as now, he had an innocence of expression which was almost infantile . It was as if the world had never touched him at all.}}

Childish; immature.

Adjective

(en adjective)

Ignorable; of little significance or value.

* 1848, , Bantam Classics (1997), 16:

"All which details, I have no doubt, Jones , who reads this book at his Club, will pronounce to be excessively foolish, trivial , twaddling, and ultra-sentimental."

Commonplace, ordinary.

* De Quincey

As a scholar, meantime, he was trivial , and incapable of labour.

Concerned with or involving trivia.

(biology) Relating to or designating the name of a species; specific as opposed to generic.

(mathematics) Of, relating to, or being the simplest possible case.

(mathematics) Self-evident.

Pertaining to the trivium.

(philosophy) Indistinguishable in case of truth or falsity.