Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
nerveless is an adjective meaning "marked by calm self-control (especially in trying circumstances); unemotional". It carries 2 recorded senses.
marked by calm self-control (especially in trying circumstances); unemotional
“play it cool”
“keep cool”
“stayed coolheaded in the crisis”
“the most nerveless winner in the history of the tournament”
Definitions, synonyms and semantic relations for nerveless come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.