つい

つい
adverb
unintentionally, just (now), inadvertently
See also: ついつい (unintentionally (emphatic))
1. unintentionally, inadvertently, carelessly
Doing something without thinking; an action done despite not intending to.
I couldn't help laughing.
I accidentally ate too much.
I inadvertently spoke my true feelings.
I sometimes find myself looking at my phone during work.
Even though I intend to stop, I can't help staying up late.
つい〜てしまう pattern emphasizes lack of self-control
2. just (now), a moment ago
Something that happened very recently.
They just came a moment ago.
It arrived just a moment ago.
We just met the other day, but I already feel nostalgic.
I thought I had just come to Japan, but I was surprised that three years had already passed.

つい expresses actions done without intending to, often with a nuance of regret or lack of self-control.

POSITION:

  • Usually appears at the beginning of a clause, before the verb

COMMON PATTERNS:

NUANCE:

  • Implies the action was not fully intentional
  • Often paired with てしまう to emphasize accidental nature
  • Can express mild regret or excuse

SIMILAR WORDS: