Antonyms of adj polygamous

2 senses of polygamous

Sense 1
polygamous (vs. monogamous) -- (having more than one mate at a time; used of relationships and individuals)

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))

Sense 2
heteroicous, polyoicous, polygamous -- (having several forms of gametoecia on the same plant)

INDIRECT (VIA monoecious) -> dioecious, dioecian -- (having male and female reproductive organs in separate plants or animals)

Similarity of adj polygamous

2 senses of polygamous

Sense 1
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)

Sense 2
heteroicous, polyoicous, polygamous -- (having several forms of gametoecia on the same plant)
       => monoecious (vs. dioecious), monecious, monoicous -- (having male and female reproductive organs in the same plant or animal)