I am fasting vs I am fast

These two phrases have different meanings and can't be directly compared. 'I am fasting' means someone is abstaining from food or certain types of food for a period of time, usually for religious or health reasons. On the other hand, 'I am fast' could be interpreted as 'I am quick' or 'I am speedy.' It's important to understand the context in which each phrase is used to determine their correctness.

Explained by Miss E.
Editor at TextRanch

Last updated: June 13, 2024 • 1185 views

I am fasting

This phrase is correct and commonly used in English to indicate that someone is abstaining from food or certain types of food for a period of time.

This phrase is used to express the act of refraining from eating for a specific purpose, such as religious observance or health reasons.

Examples:

I am fasting for Ramadan.
She is fasting for a blood test.
They are fasting for spiritual reasons.

Show examples from the web [+]

Therefore I have had my breakfast now, and until tomorrow breakfast I am fasting and sharing with your determination.
For I am as convinced as I can be that Surrey and his crew flout the fasting laws and are fanatic Lutherans and Sacramentarians for which damnable heresies they ought to be burned at Smithfield.
You can drink water during the fasting period.
Food appears to increase pharmacokinetic variability relative to fasting.
Prolonged fasting before administration should be avoided.
Co-administration with a high-fat meal did not affect the AUC of atazanavir relative to fasting conditions and the Cmax was within 11% of fasting values.
And therein fasting hast thou made me gaunt.
You know, fasting can actually clear your mind.
And don't forget that I'm fasting for Ramadan, too.
I've been fasting all day to save room for Mulligan's.
Fasting's not healthy for you, Ron.
Fasting triglycerides should be normal or normalised with appropriate intervention prior to bexarotene therapy.
Syncope occurred in a fasting adult who had taken doxazosin 16 mg.
Temodal hard capsules should be administered in the fasting state.
In the fasting state, AUC increased less than in proportion to dose above 200 mg.
Carbohydrate metabolism Patients with inadequate growth hormone secretion sometimes experience fasting hypoglycaemia that is improved by treatment with somatropin.
Somatropin increases insulin but fasting blood glucose is commonly unchanged.
Following the period of fasting the animals should be weighed prior to test substance administration.
Overnight fasting of the animals prior to blood sampling is recommended (1).
For a number of measurements in serum and plasma, most notably for glucose, overnight fasting would be preferable.

I am fast

This phrase is correct but less common in everyday usage. It can mean 'I am quick' or 'I am speedy.'

This phrase can be used to describe someone's speed or quickness in physical or mental activities.

Examples:

I am fast at solving puzzles.
He is fast on the track.
She is fast at typing.

Show examples from the web [+]

But you don't have to worry about that, because I am fast enough for the both of us.
Well, maybe not, but I am fast.
We admire your country - I personally am a great fan of your political transparency, but I am fast losing heart when it comes to these crucial issues regarding the future.
I need to show the people that I am a fast driver also.
But I believe that I am a fast and accurate judge of character.
I am moving as fast as I can, O'Brien.
I am going as fast as the system will allow me, dear.
I am expecting specific - and fast - measures from the G20.
I know where I am or how fast I'm going, but I can't know both.
Can't tell you how fast I am, don't know exactly.
I am a courier, fast as lightning... silent as the night itself.
If I have a GPS and a camera in my car, I have a pretty precise idea of where I am and how fast I'm going.
I am dancing as fast as I can, Carlos!
Look, could you tell Dr. Saroyan that I am going as fast as I can?
You put a cheesecake on a stick, watch how fast I am.
And although I am as fast as hot lightning, my server is not because it needs updating, so if someone with great hair and a tie could approve the funding to update such server, we could get this show on the road and I could -
Am I going too fast? 'Cause I can slow down if you need me to.
But am I catching him fast enough?
- Am I going too fast for you, Edgar?
I am sure that your time for all this is fast approaching.

Alternatives:

I am quick
I am speedy
I am rapid
I am swift
I am prompt

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