Frontline

[fruhnt-lahyn] /ˈfrʌntˌlaɪn/

adjective
1.
located or designed to be used at a military front line:
a front-line ambulance helicopter.
2.
of, relating to, or involving the forefront in any action, activity, or field:
a front-line TV reporter.
3.
highly experienced or proficient in the performance of one’s duties.

also front-line, 1899 (n.), 1915 (adj.), from front (adj.) + line (n.).

Read Also:

Frontlist
[fruhnt-list] /ˈfrʌntˌlɪst/ noun 1. a publisher’s sales of newly or recently published books, especially those of popular or ephemeral appeal.
Front-load
[adjective fruhnt-lohd; verb fruhnt-lohd] /adjective ˈfrʌntˌloʊd; verb ˈfrʌntˈloʊd/ adjective 1. Also, front-loaded. (def 1). verb (used with object) 2. to load or fill from the front: to front-load a washing machine; to front-load a video recorder. 3. to put in from the front; insert: to front-load eight pounds of clothing; to front-load a cassette. 4. […]
Front-loaded
[adjective fruhnt-lohd; verb fruhnt-lohd] /adjective ˈfrʌntˌloʊd; verb ˈfrʌntˈloʊd/ adjective 1. Also, front-loaded. (def 1). verb (used with object) 2. to load or fill from the front: to front-load a washing machine; to front-load a video recorder. 3. to put in from the front; insert: to front-load eight pounds of clothing; to front-load a cassette. 4. […]

Front-loader
[fruhnt-loh-der] /ˈfrʌntˌloʊ dər/ noun 1. . 2. . noun 1. a machine or appliance, as a washing machine, loaded and unloaded through an opening in the front (as distinguished from a top loader). noun 1. a washing machine with a door at the front which opens one side of the drum into which washing is […]
Front-loading
[fruhnt-loh-ding] /ˈfrʌntˌloʊ dɪŋ/ adjective 1. designed to be loaded, supplied, or tended from the front: a front-loading washer; a front-loading VCR. noun 2. the practice of expending maximum effort, collecting a fee, interest, or commissions, etc., as early as possible: the front-loading of commissions on insurance premiums. [adjective fruhnt-lohd; verb fruhnt-lohd] /adjective ˈfrʌntˌloʊd; verb ˈfrʌntˈloʊd/ […]