We found one dictionary that defines the word in the first:

General (1 matching dictionary)

1. in the first: Dictionary.com

Phrases: in the first place, in the first instance, Ethernet in the first mile, murder in the first degree, In the First Circle, more... ▸ Words similar to in the first ▸ Usage examples for in the first ▸ Idioms related to in the first ▸ Wikipedia articles (New!) ▸ Words that often appear near in the first ▸ Rhymes of in the first ▸ Invented words related to in the first