| Adj. | 1. | neck and neck - 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" Synonyms: nip and tuck, head-to-head |
| Adv. | 1. | neck and neck - even or close in a race or competition or comparison; "the horses ran neck and neck"; "he won nip and tuck" Synonyms: head-to-head, nip and tuck |