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/ɒn/
Meaning & Definition
preposition
In contact with and supported by a surface.
The book is on the table.
Indicating a position or location in relation to something.
She put the vase on the shelf.
Indicating a time something happens.
The meeting is on Friday.
Indicating a state of being involved with or engaged in something.
He is on a diet.
Indicating a means of operation or action.
She switched the light on.
adverb
In a state of operation or functioning.
The computer is on.
Indicating continuation or progression.
The show must go on.
adjunct
Having ongoing action or effect.
We are still on the right path.
Etymology
Old English 'on', of Germanic origin.
Common Phrases and Expressions
on fire
burning; very enthusiastic or passionate.
on the rise
increasing; improving.
on the same page
in agreement; in harmony.
on the go
busy; active.
on point
exact; accurate.
Related Words
upon
In an elevated position above and in contact with.
onto
To a position on or upon.
onward
Moving forward or advancing.
onset
The beginning of something.
Slang Meanings
On point
Her outfit is on point today.
On the down-low
Keep it on the down-low; it's a secret.