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noun se·quence \ˈsē-kwən(t)s, -ˌkwen(t)s\

Simple Definition of sequence

  • : the order in which things happen or should happen

  • : a group of things that come one after the other

  • : a part of a movie, television show, etc., that deals with one subject, action, or idea

Source: Merriam-Webster's Learner's Dictionary

Full Definition of sequence

  1. 1 :  a hymn in irregular meter between the gradual and Gospel in masses for special occasions (as Easter)

  2. 2 :  a continuous or connected series: asa :  an extended series of poems united by a single theme <a sonnet sequence>b :  three or more playing cards usually of the same suit in consecutive order of rankc :  a succession of repetitions of a melodic phrase or harmonic pattern each in a new positiond :  a set of elements ordered so that they can be labeled with the positive integerse :  the exact order of bases in a nucleic acid or of amino acids in a proteinf (1) :  a succession of related shots or scenes developing a single subject or phase of a film story (2) :  episode

  3. 3a :  order of successionb :  an arrangement of the tenses of successive verbs in a sentence designed to express a coherent relationship especially between main and subordinate parts

  4. 4a :  consequence, resultb :  a subsequent development

  5. 5 :  continuity of progression <the narrative sequence>

Examples of sequence in a sentence

  1. He listened to the telephone messages in sequence.

  2. a chase sequence in a spy movie

  3. I enjoyed the movie's opening sequence.

Origin of sequence

Middle English, from Anglo-French, from Medieval Latin sequentia, from Late Latin, sequel, literally, act of following, from Latin sequent-, sequens, present participle of sequi

First Known Use: 14th century



transitive verb, se·quence

Definition of sequence


  1. 1 :  to arrange in a sequence

  2. 2 :  to determine the sequence of chemical constituents (as amino-acid residues or nucleic-acid bases) in


First Known Use of sequence


SEQUENCE Defined for Kids


noun se·quence \ˈsē-kwəns\

Definition of sequence for Students

  1. 1 :  the order in which things are or should be connected, related, or dated <Follow the directions in sequence.>

  2. 2 :  a group of things that come one after another <a sequence of numbers>

Word Root of sequence

The Latin word sequī, meaning “to follow,” and its form secutus give us the roots sequ and sec. Words from the Latin sequī have something to do with following. Something second follows what came first. A sequel is a book or movie that follows another and continues the story. A sequence is the order in which one thing follows another. A consequence is a result that follows from a condition or action.

Medical Dictionary



noun se·quence \ˈsē-kwən(t)s, -ˌkwen(t)s\

Medical Definition of sequence

  1. 1:  a continuous or connected series; specifically :  the exact order of bases in a nucleic acid or of amino acids in a protein

  2. 2:  a consequence, result, or subsequent development (as of a disease)



transitive verb se·quence

Medical Definition of sequence

sequenced; sequencing

  1. :  to determine the sequence of chemical constituents (as amino acid residues in a protein or bases in a strand of DNA) in <sequenced the DNA of the entire genome of an organism>

Seen and Heard

What made you want to look up sequence? Please tell us where you read or heard it (including the quote, if possible).


the range of perception or understanding

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