1

constant

adjective con·stant \ ˈkän(t)-stənt \
Updated on: 15 Nov 2017

Definition of constant

1 : marked by firm steadfast resolution or faithfulness : exhibiting constancy of mind or attachment
  • a constant friend
2 : invariable, uniform
  • a constant flow
  • should be stored at a constant temperature
3 : continually occurring or recurring : regular
  • a constant annoyance
  • suffers from constant headaches

constantly

adverb

Examples of constant in a Sentence

  1. He suffers from constant headaches.

  2. Her constant chatter was a nuisance.

  3. The house is in constant need of repairs.

  4. The scar serves as a constant reminder of the accident.

  5. a problem demanding constant attention

  6. The equipment should be stored at a constant temperature.

  7. He kept the car's speed constant.

  8. She has struggled to maintain a constant weight.

  9. They remained constant friends throughout their lives.

Recent Examples of constant from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'constant.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of constant

Middle English, from Middle French, from Latin constant-, constans, from present participle of constare to stand firm, be consistent, from com- + stare to stand — more at stand

Synonym Discussion of constant

faithful, loyal, constant, staunch, steadfast, resolute mean firm in adherence to whatever one owes allegiance. faithful implies unswerving adherence to a person or thing or to the oath or promise by which a tie was contracted.
    • faithful to her promise
loyal implies a firm resistance to any temptation to desert or betray.
    • remained loyal to the czar
constant stresses continuing firmness of emotional attachment without necessarily implying strict obedience to promises or vows.
    • constant friends
staunch suggests fortitude and resolution in adherence and imperviousness to influences that would weaken it.
    • a staunch defender of free speech
steadfast implies a steady and unwavering course in love, allegiance, or conviction.
    • steadfast in their support
resolute implies firm determination to adhere to a cause or purpose.
    • a resolute ally
continual, continuous, constant, incessant, perpetual, perennial mean characterized by continued occurrence or recurrence. continual often implies a close prolonged succession or recurrence.
    • continual showers the whole weekend
continuous usually implies an uninterrupted flow or spatial extension.
    • football's oldest continuous rivalry
constant implies uniform or persistent occurrence or recurrence.
    • lived in constant pain
incessant implies ceaseless or uninterrupted activity.
    • annoyed by the incessant quarreling
perpetual suggests unfailing repetition or lasting duration.
    • a land of perpetual snowfall
perennial implies enduring existence often through constant renewal.
    • a perennial source of controversy

2

constant

noun

Definition of constant

: something invariable or unchanging: such as
a : a number that has a fixed value in a given situation or universally or that is characteristic of some substance or instrument
b : a number that is assumed not to change value in a given mathematical discussion
c : a term in logic with a fixed designation

Examples of constant in a Sentence

  1. Her job was the one constant in her life.

Recent Examples of constant from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'constant.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of constant



CONSTANT Defined for English Language Learners

constant

adjective

Definition of constant for English Language Learners

  • : happening all the time or very often over a period of time

  • : staying the same : not changing

  • : always loyal


constant

noun

Definition of constant for English Language Learners

  • : something that stays the same : something that does not change

  • : a quantity or number whose value does not change


CONSTANT Defined for Kids

constant

adjective con·stant \ ˈkän-stənt \

Definition of constant for Students

1 : remaining steady and unchanged
  • a constant temperature
2 : occurring continuously or following one after another
  • constant headaches
3 : always faithful and true
  • constant friends

constantly

adverb

Medical Dictionary

1

constant

adjective con·stant \ ˈkän(t)-stənt \

medical Definition of constant

: remaining unchanged

constantly

adverb

2

constant

noun

medical Definition of constant

: something invariable or unchanging; especially : a number that has a fixed value in a given situation or universally or that is characteristic of some substance or instrument


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