neck and neck is an adjective and adverb meaning "inconclusive as to outcome; close or just even in a race or comparison or competition". It carries 2 recorded senses.
inconclusive as to outcome; close or just even in a race or comparison or competition
“as they approached the finish line they were neck and neck”
“the election was a nip and tuck affair”
even or close in a race or competition or comparison
“the horses ran neck and neck”
“he won nip and tuck”
Definitions, synonyms and semantic relations for neck and neck come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.