in step
With the left or right foot stepping at the same time as another's or to the beat of music; in matching strides with another person or persons.
The long line of soldiers marched all in step: Left, right! Left, right!
Johnny marched behind the band in step to the music.
In agreement; abreast. Often followed by with.
Mary wanted to stay in step with her friends and have a doll too.
in stitches
Laughing so hard that the sides ache; in a fit of laughing hard.
The comedian was so funny that he had everyone who was watching him in stitches.
in stock
Having something ready to sell dr use; in present possession or supply; to be sold.
The store had no more red shoes in stock, so Mary chose brown ones instead.
in store
Saved up in case of need; ready for use or for some purpose.
If the electricity goes off, we have candles in store in the closet.
The squirrel has plenty of nuts in store for the winter.
Ready to happen; waiting. Often used in the phrase hold in store or have in store.
What does the future hold in store for the boy who ran away?
There is a surprise in store for Helen when she gets home.
in substance
In important facts; in the main or basic parts; basically; really.
In substance the weather report said that it will be a nice day tomorrow.
The two cars are the same in substance, except one is red and the other is red and white.
in terms of
In the matter of; on the subject of; especially about; about.
He spoke about books in terms of their publication.
What have you done in terms of fixing the house?
The children ate a great many hot dogs at the party. In terms of money, they ate $20 worth.
As to the amount or number of.
We swam a great distance. In terms of miles, it was three.
in that
For the reason that; because.
I like the city, but I like the country better in that I have more friends in the country.
in the air
In everyone's thoughts.
Christmas was in the air for weeks before.
The war filled people's thoughts every day; it was in the air.
Meeting the bodily senses; surrounding you so as to be smelled or felt.
Spring is in the air.
Rain is in the air.