Uh oh. Try it.
Check the dictionaries and see if the word front liner or frontliner exists.
Neither one does. What the dictionaries accept are the words front line (noun) or frontline (adjective, sometimes as front-line).
Front line refers to:
- an area where soldiers are fighting. Example: Reactions to the country’s new role on the defensive front line has been mixed. (See also front-line.)
- the most important and active position in a job or field of activity. Examples: Public school teachers are on the front line of education and public service. Doctors are on the front line of the RH bill debate. In business, the front line is essential to the bottom line.
Frontline refers to:
- relating to, being or involved in a front line or at the forefront in any action, activity or field. Examples: Frontline employees are key to customer service success. The frontline troops are in the most danger. (See also frontline.)
- being first-rate or highly experienced or proficient in performing a duty. Example: I prefer a frontline hospital for my surgery.
References: learnersdictionary.com, m-w.com, oaadonline.oxfordlearnersdictionaries.com, collinsdictionary.com
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