
from day one
Meaning: From the beginning; from the outset.
Example: “From day one, the two roommates got along perfectly.”
Origin: A straightforward 20th-century American construction, with no more complicated backstory than the literal words suggest: "day one" names the very first day of anything — a job, a relationship, a project — and "from day one" simply asserts that whatever's being described was true right from that starting point, with no gradual buildup or later change. Its plainness is exactly what gives it force in conversation: claiming something has been the case "from day one" rules out any suggestion that it developed slowly or only became true partway through.
More English idioms
- get a move on To hurry.
- get a word in edgewise To insert a word or sentence into an otherwise one-sided conversation.
- get by To just barely manage, with money or with one's responsibilities.
- get down to brass tacks To get serious or practical about something.
- get off scot-free To escape the proper or expected punishment; to be acquitted of a crime.
- get one's act together To get control of oneself mentally or physically; to get organized.
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Words that look familiar in another language but mean something else entirely.
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