at all times or on every occasion
I always wear my red T-shirt on Monday.

the season between summer and winter
For example, the most common pattern in bird migration involves the birds flying north during the spring and flying south during autumn.

the number of times an event occurs in a specific period of time
The frequency of her contractions had increased.

arriving, happening or beginning after the expected time
It's never too late to say you're sorry.

many times
However, deserts often have sources of water.

at or before a given time
He needs to leave now or he will never get there on time.

to do something repeatedly in order to improve a skill
I practice the violin every day.

to draw in and puff out the smoke from (a cigarette etc.)
I smoke about a pack of cigarettes a day.

in an occasional manner
We sometimes play games or have festivals there.

normally; regularly
I usually like watching TV, but it was boring tonight.