Definitions
There is 1 meaning of the phrase
Significant Other.
Significant Other - as a noun
A person (not necessarily a spouse) with whom you cohabit and share a long-term sexual relationship
Synonyms (Exact Relations)
domestic partnerspousal equivalentspouse equivalentHypernyms (Closely Related)
individualmortalpersonsomebodysomeonesoulHyponyms (Broadly Related)
Example Sentences
"I'm having dinner with my significant other tonight."
"She introduced her new significant other to all of her friends."
"They are celebrating their anniversary as significant others."
"I need to buy a gift for my significant other's birthday."
"He has been my significant other for over five years now."