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significant other

A person with whom one is in a serious romantic relationship. Primarily heard in US. Since Kelly didn't have a significant other, she attended her friend's wedding alone.
See also: other, significant

your significant other

A person's significant other is their wife, husband, or the person they are having a relationship with. Poor Holly, she hadn't any significant other to bring with her. Well, we always work together, we live together — he's my significant other.
See also: other, significant

significant other

a person with whom someone has an established romantic or sexual relationship.
2001 Journal of Sex Research We asked: ‘Are you currently in a relationship? (Do you have a significant other, boyfriend, girlfriend, sexual partner, spouse, etc.?)’ and ‘If you answered “YES”, how long have you been in your current relationship?’
See also: other, significant
References in classic literature ?
Her name was Aldonza Lorenzo, and upon her he thought fit to confer the title of Lady of his Thoughts; and after some search for a name which should not be out of harmony with her own, and should suggest and indicate that of a princess and great lady, he decided upon calling her Dulcinea del Toboso -she being of El Toboso- a name, to his mind, musical, uncommon, and significant, like all those he had already bestowed upon himself and the things belonging to him.
A Connecting word is a non-significant sound, which neither causes nor hinders the union of many sounds into one significant sound; it may be placed at either end or in the middle of a sentence.
The next variation which their visit afforded was produced by the entrance of the servants with cold meat, cake, and a variety of all the entrance of servants with cold meat, cake, and a variety of all the finest fruits in season; but this did not take place till after many a significant look and smile from Mrs.
Indeed, it is to be wished that the whole of our country could be rescued, as much as possible, from the wretched nomenclature inflicted upon it, by ignorant and vulgar minds; and thismight be done, in a great degree, by restoring the Indian names, wherever significant and euphonious.
Ferguson made no reply, but contented himself with a significant shrug of the shoulders.
Facts were nothing to him, for beneath the mass of irrelevant incidents he looked for something significant to himself.
Notwithstanding his rather condescending attitude towards patriotism he had been adopted as the national poet, and seemed since the war of seventy to be one of the most significant glories of national unity.
Boris, come here," said she with a sly and significant look.
It was significant of the separateness between Lydgate's mind and Rosamond's that he had no impulse to speak to her on the subject; indeed, he did not quite trust her reticence towards Will.
You've studied biology," he said aloud, in significant allusion.
With this significant remark the Supreme Gobbler left him, and thenceforward the Pious Person dreamed of himself as white meat and dark until rudely awakened by decapitation.
Over all was that air of abandonment and decay which seems nowhere so fit and significant as in a village of the forgotten dead.
Neither he nor I could afford it; but, more significant than that, we had no desire to drink.
And, a still more significant fact, even the national passion for play seemed quelled for the time under the general excitement of the hour.
The right hemisphere, "dedicated to the ladies," encloses smaller seas, whose significant names contain every incident of a feminine existence.