Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun equivalent

2 senses of equivalent

Sense 1
equivalent -- (a person or thing equal to another in value or measure or force or effect or significance etc; "send two dollars or the equivalent in stamps")
       => cognition, knowledge, noesis -- (the psychological result of perception and learning and reasoning)

Sense 2
equivalent, equivalent weight, combining weight, eq -- (the atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen)
       => atomic mass, atomic weight, relative atomic mass -- ((chemistry) the mass of an atom of a chemical element expressed in atomic mass units)

Antonyms of adj equivalent

1 sense of equivalent

Sense 1
equivalent, tantamount (predicate) -- (being essentially equal to something; "it was as good as gold"; "a wish that was equivalent to a command"; "his statement was tantamount to an admission of guilt")

INDIRECT (VIA equal) -> unequal -- (poorly balanced or matched in quantity or value or measure)

Similarity of adj equivalent

1 sense of equivalent

Sense 1
equivalent, tantamount (predicate) -- (being essentially equal to something; "it was as good as gold"; "a wish that was equivalent to a command"; "his statement was tantamount to an admission of guilt")
       => equal (vs. unequal) -- (having the same quantity, value, or measure as another; "on equal terms"; "all men are equal before the law")