adverb taking the 'to' particle, adverb
dropping (of tears, dew, etc.)
Describes a single drop falling gently, often with a sense of suddenness or unexpectedness. Commonly used with tears or dew.
彼女の目から涙がポロリとこぼれた。
A tear dropped from her eye.
adverb taking the 'to' particle, adverb
falling off; dropping off; slipping
Indicates something slipping or falling off unintentionally, often from a grip or a surface. Can be used for objects like a ring, a piece of food, or a hat.
adverb taking the 'to' particle, adverb
inadvertently coming out; letting slip
Used when something hidden or internal surfaces unintentionally, such as a secret, a true feeling, or a bodily function. Often carries a nuance of embarrassment or surprise.
つい本音がポロリと出てしまった。
I inadvertently let my true feelings slip out.
Hearing that story, a tear suddenly fell.
The ring slipped off.
指輪が指からポロリと外れた。
The ring slipped off my finger unexpectedly.
His true feelings slipped out unintentionally.
She accidentally let the secret slip out.
うっかり describes a careless mental lapse in general, while ポロリ specifically describes a word or feeling slipping out unintentionally.
ポロポロ describes repeated or continuous dropping/crumbling of many small things, while ポロリ describes a single, one-time instance.
Katakana spelling is common for this mimetic word.
Hiragana spelling is also used.
Mimetic word; the exact origin is uncertain, but it is likely derived from the sound or sensation of something small and round dropping or slipping.