varied with vs varied by

Both 'varied with' and 'varied by' are correct, but 'Varied with' is used when something changes in relation to another factor, while 'varied by' is used to indicate the agent causing the variation.

Explained by Michele A.
Editor at TextRanch

Last updated: March 30, 2025 • 4769 views

This phrase is correct and commonly used in English.

"varied with"

Use 'varied with' when describing how something changes in relation to another factor or condition.

Examples:

The results varied with the weather conditions.
Her mood varied with the amount of sleep she got.

Show examples from the web [+]

The pattern of unrelated post-operative adverse events varied with the extent of surgical trauma, procedural complications and the pre-operative health of the patient.
Concerning place of farming labelling, responses were varied with some favouring compulsory and others voluntary labelling.
The injection site should be varied with each dose to avoid discomfort.
Parliament acknowledges that in future, the European Union cannot manage to fulfil its extensive and varied tasks with fewer financial resources.
Programme measures are extremely varied, with the effect that resources are spread very thinly and their impact is diluted.
The results have been varied, with some positive aspects but with many other negative aspects.
With varied interests, like your father, Cosimo.
It is, in fact, a fine team bringing together individuals with varied and complementary backgrounds.
Evaluation of safety varied between trials with respect to mode of surveillance, definition of symptoms and time of follow-up.
"This is a very rich and varied sector with enormous potential, representing a hugely important segment of the economy, which is only enhanced as we enter the digital age," Marie-Thérèse Sanchez-Schmid explains.
We all know that it is no easy process to secure specific agreements at such a varied forum with such a wide spectrum of political views as the Lima Summit.
EU external relations cover a vast and varied spectrum of connections with third countries.
A mark-up may be applied to an infrastructure charge which has been varied in accordance with Article 7f.
rich and varied vegetation, with endemic species and high-quality grazing;
A mark-up may be applied to an infrastructure charge which has been varied in accordance with Article 7g.
The duration of maternity leave in the 27 Member States varies between 14 and 52 weeks, and payment for leave is also very varied, with 100% of earnings being paid in 13 countries.
whereas the Mediterranean basin is a varied world with different interests and aspirations, which is often prey to worrying states of tension,
I voted in favour of this report because I feel that the European Community and its Member States will benefit from deeper and more varied trade relations with the People's Republic of China, particularly as regards maritime transport.
The Sierra del Sueve is of major ecological interest, as a large proportion of it consists of forest and vegetation of great richness, with varied fauna.
The aim of those public service obligations is to provide the entire Danish population with varied programming that satisfies the requirements of quality, versatility and diversity.

Alternatives:

changed with
fluctuated with
shifted with
differed with
adjusted with

This phrase is correct and commonly used in English.

"varied by"

Use 'varied by' when indicating the agent causing the variation or the factor responsible for the change.

Examples:

The prices varied by region.
The results varied by the amount of time spent on the task.

Show examples from the web [+]

The minimum discussion period is 2 weeks, but may be varied by up to 1 week by the Project Leader.
program can be varied by driving first to Jinka].
Those who wish can enjoy the evening more consistently Piedmontese dishes that are freshly prepared, good and varied by the ladies of the house.
Scenically varied by large forests of mountain areas to the plains and hills of the valley.
Breathtaking views of holy mountains varied by tranquil rice fields and terraces.
Byzantine food consumption varied by class.
Popular forms of entertainment varied by social class.
It consists of dialogue varied by refrains already current in popular song.
V1 varied by body surface area (BSA) and CHOP therapy.
The prevailing public arguments, time of onset, and pace of reforms varied by country.
The angle of these blades could be varied by warping.
These percentages varied by category of response within each major classification.
The sensitivity of the detection is varied by surrounding light conditions.
Hole depth is varied by adjusting a magnetic sensor.
The melodic construction of the piece is fundamentally based on two melodic motives that are constantly reiterated and varied by diminution.
The thickness of the film was varied by lowering or raising the points.
The number of reflections may be varied by varying the angle of incidence.
Before the placement of dams on the river the yearly discharge varied by a factor of 15 at Aswan.
The remainder of the ride was a steady climb to Andhritsana, varied by few descents, although this is hardly to be deemed a drawback.
You can maintain your meat appetizing and varied by exploring the many sweet, fruit-flavored chutney blends which are available.

Alternatives:

changed by
fluctuated by
shifted by
differed by
adjusted by

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varied with vs varied by

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