What is another word for responsibleness?

It depends which responsibleness you mean. In the sense “a form of trustworthiness; the trait of being answerable to someone for something or being responsible for one's conduct”, the synonyms are responsibility. Across all 1 sense there are 1 distinct synonyms, and they are not interchangeable with each other — this page lists them under the sense each one belongs to.

What is the opposite of responsibleness?

The recorded antonym is irresponsibleness. Opposites are sense-specific too: this page shows which meaning each one is the opposite of, because a word rarely has a single opposite that holds for all of its senses.

Where do the synonyms for responsibleness come from?

From Princeton University's WordNet, a lexical database maintained by lexicographers since 1985. A synonym here means a word form that shares a synset with this word — a set of forms interchangeable in one recorded context. Nothing on this page is generated by a language model.

Synonyms and antonyms

responsibleness

nounRare

responsibleness has 1 distinct synonym spread across 1 of its 1 sense. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. Its one recorded opposite is irresponsibleness.

1
Distinct synonym: 1
Antonym: 1 of 1
Senses with a relation

Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.