Verb or adjective--it depends on how its used.
Verb: I'm losing my mind.
Adjective: I'm on a losing streak.
The losing candidate gives a concession speech.
The word "resignedly" is an adverb. An example of a sentence using the word would be: The losing team resignedly left the field as the game ended.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "breezy" is an adjective.