continuous
adjectivewithout any break or gap
Continuous: one unbroken line, from start to end.
Picture a line. An unbroken line is continuous. A line of dashes is continual.
Quick answer
Continuous usually means without a break. Continual usually means happening again and again, with pauses.

without any break or gap
Continuous: one unbroken line, from start to end.
happening again and again, with pauses between
Continual: it keeps coming back, with gaps.
| Word | Type | Means | Example | Common mistake |
|---|---|---|---|---|
| continuous | adjective | without any break or gap | There was continuous rain from Monday to Friday. | |
| continual | adjective | happening again and again, with pauses between | I'm tired of your continual interruptions. |
adjective
Examples
There was continuous rain from Monday to Friday.
The machine makes a continuous low hum.
Common mistake
Not: The machine produces a continual tone that never stops.
Say: The machine produces a continuous tone that never stops.
For one uninterrupted sound, use continuous.
adjective
Examples
I'm tired of your continual interruptions.
The project suffered continual delays.
Common mistake
Not: I get continuous emails from him, one every few days.
Say: I get continual emails from him, one every few days.
Repeated events with gaps are continual.
Read the sentence, then choose the word that fits.
Write or say two sentences, one with each word, in a real conversation.