Antonyms of adj monogamous

1 sense of monogamous

Sense 1
monogamous (vs. polygamous) -- ((used of relationships and of individuals) having one mate; "monogamous marriage"; "monogamous for life")

polygamous (vs. monogamous) -- (having more than one mate at a time; used of relationships and individuals)
        => bigamous -- (of illegal marriage to a second person while legally married to a first)
        => polyandrous -- (having more than one husband at a time)
        => polygynous -- (having more than one wife at a time)

Similarity of adj monogamous

1 sense of monogamous

Sense 1
monogamous (vs. polygamous) -- ((used of relationships and of individuals) having one mate; "monogamous marriage"; "monogamous for life")
       => monandrous -- (having only one husband at a time)
       => monogynous, monogynic -- (having one head or chief wife at a time (along with concubines))