I. adverb 1. in or to a foreign country or countries • we usually go abroad for a week in May
• competition from companies at home and abroad.
2. in different directions; over a wide area • millions of seeds are annually scattered abroad.
3. (of a feeling or rumour) widely current • there is a new buccaneering spirit abroad.
4. freely moving about • hospital inmates abroad on the streets of the town.
‹archaic› out of doors
• few people ventured abroad from their warm houses.
‹archaic› wide of the mark; in error.
II. noun — [ mass noun] 1. foreign countries considered collectively • servicemen returning from abroad.
– origin Middle English: from a-2 ‘on’ + broad.