[[at once]] is a synonym of [[at a time]]
{"dataset": "/d/wordnet/3.1", "license": "cc:by/4.0", "sources": [{"contributor": "/s/resource/wordnet/rdf/3.1"}], "surfaceEnd": "at a time", "surfaceStart": "at once", "surfaceText": "[[at once]] is a synonym of [[at a time]]", "weight": 2.0}
