Antonym vs. Tautology

Antonymnoun

(semantics) A word which has the opposite meaning of another word.

Antonymnoun

A word that describes one end of a scale, while its opposite describes the other end, such as large versus small; a gradable antonym.

Antonymnoun

A word of opposite meaning; a counterterm; - used as a correlative of synonym.

Antonymnoun

two words that express opposing concepts;

Tautologynoun

(uncountable) Redundant use of words, a pleonasm, an unnecessary and tedious repetition.

Tautologynoun

(countable) An expression that features tautology.

Tautologynoun

In propositional logic: a statement that is true for all truth values of its propositional variables. In first-order logic: a statement that is true for all truth values of its Boolean atoms.

Tautologynoun

A repetition of the same meaning in different words; needless repetition of an idea in different words or phrases; a representation of anything as the cause, condition, or consequence of itself, as in the following lines: -The dawn is overcast, the morning lowers,And heavily in clouds brings on the day. Addison.

Tautologynoun

(logic) a statement that is necessarily true;

Tautologynoun

useless repetition;

Tautologynoun

the saying of the same thing twice over in different words, generally considered to be a fault of style (e.g. they arrived one after the other in succession).

Tautologynoun

a phrase or expression in which the same thing is said twice in different words.

Tautologynoun

a statement that is true by necessity or by virtue of its logical form.