Nonsense vs. Theoretical — What's the Difference?

Nonsense is a communication, via speech, writing, or any other symbolic system, that lacks any coherent meaning. Sometimes in ordinary usage, nonsense is synonymous with absurdity or the ridiculous.

Concerned with or involving the theory of a subject or area of study rather than its practical application

Words or signs having no intelligible meaning

Of, relating to, or based on theory.

Subject matter, behavior, or language that is foolish or absurd.

Restricted to theory; not practical or applied

Extravagant foolishness or frivolity

Studying or working to develop theory.

Matter of little or no importance or usefulness

Of or relating to theory; abstract; not empirical.

Insolent talk or behavior; impudence

Concerned primarily with theories or hypotheses rather than practical considerations;

(Genetics) Of or relating to a mutation in a structural gene that changes a nucleotide triplet into a stop codon, thus prematurely terminating the polypeptide chain during protein synthesis.

Concerned with theories rather than their practical applications;

Used to express disagreement or exasperation.

Based on specialized theory;

Letters or words, in writing or speech, that have no meaning or pattern or seem to have no meaning.

An untrue statement.

That which is silly, illogical and lacks any meaning, reason or value; that which does not make sense.

Something foolish.

(literature) A type of poetry that contains strange or surreal ideas, as, for example, that written by Edward Lear.

(biology) A damaged DNA sequence whose products are not biologically active, that is, that does nothing.

To make nonsense of;

To attempt to dismiss as nonsense; to ignore or belittle the significance of something; to render unimportant or puny.

(intransitive) To joke around, to waste time

Nonsensical.

(biochemistry) Resulting from the substitution of a nucleotide in a sense codon, causing it to become a stop codon (not coding for an amino-acid).

An emphatic rejection of something one has just heard and does not believe or agree with.

That which is not sense, or has no sense; words, or language, which have no meaning, or which convey no intelligible ideas; absurdity.

Trifles; things of no importance.

A message that seems to convey no meaning

Ornamental objects of no great value

Having no intelligible meaning;