What does alarming mean?
Alarming means present participle and gerund of alarm.
/əˈlɑːm.ɪŋ/ · verb
present participle and gerund of alarm.
Another stop at the 731-yard Sharpthorne Tunnel allowed the apprentices to see how a combination of water and a "chemical soup" is destroying the rails at an alarming rate.
Choose a synonym only when it preserves the intended meaning, tone, and grammar of the full sentence.
Alarming means present participle and gerund of alarm.
Common synonyms include concerning, distressful, distressing, troubling.
Possible antonyms include comforting, unalarming.
Another stop at the 731-yard Sharpthorne Tunnel allowed the apprentices to see how a combination of water and a "chemical soup" is destroying the rails at an alarming rate.
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.