Pronunciation: [ʌntɹˈuːəst] (IPA) 
The word "untruest" is spelled as /ˌʌnˈtruːɪst/. It is formed by adding the suffix "-est" to the adjective "untrue", which means not truthful or not in accordance with facts or reality. The suffix "-est" is commonly used to form the superlative degree of adjectives, indicating the highest degree of the quality expressed. Therefore, "untruest" is the superlative form of "untrue", meaning the most untrue or the least truthful.
The word "untruest" is formed by adding the prefix "un-" meaning "not" and the superlative suffix "-est" to the adjective "true". The etymology of the word "true" can be traced back to the Old English word "trēowe" which meant "steadfast, loyal, honest". It is derived from the Proto-Germanic word "trawwaz", which has a similar meaning. Ultimately, the Proto-Germanic word is believed to have been derived from the Indo-European root "*drew-", meaning "to be firm, solid, steadfast". Over time, the word "true" has evolved and gained various meanings related to sincerity, accuracy, and faithfulness. The formation of the word "untruest" follows standard English word formation rules.
