Block and Reactant

Opposite meaning words

Block

Block noun - A number of things considered as a unit.
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Synonyms for Block
Antonyms for Block
Reactant is an antonym for block.
Nearby Words: blocked, blockade, blockage, blockhead, blocking

Reactant

Reactant noun - A chemical substance that is present at the start of a chemical reaction.
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Synonyms for Reactant
Block is an antonym for reactant in topics: catalyst, something which incites activity.
Similar words of block

Similar words of reactant
Cite this Source
Reactant and Block. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/block/reactant
Block & Reactant. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/block/reactant>.
Reactant or Block. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/block/reactant.

Antonyms for block


Antonyms for reactant

Google Ngram Viewer shows how "block" and "reactant" have occurred on timeline