6 senses for first as an Adjective:
| Adjective related (for first) first-class first-come-first-serve first-rate first-string first-year firstborn firsthand forty-first headfirst hundred-and-first thirty-first twenty-first |
4 senses for first as an Adverb:
| Adverb related (for first) at first blush at first glance at first hand at first sight feetfirst first-rate first and last first class first of all first off firsthand firstly for the first time headfirst in the first place when first seen |