Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
nighest is an adverb meaning "(superlative of `near' or `close') within the shortest distance". It carries one recorded sense.
Definitions, synonyms and semantic relations for nighest come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.