Dendril
    Dendril Roots
      primary
      noun
      (political science) A primary election; a preliminary election to select a political candidate of a political party, or the first round of a two-round election.
      The first year of grade school.
      A base or fundamental component; something that is irreducible.
      The most massive component of a gravitationally bound system, such as a planet in relation to its satellites.
      A primary school.
      (ornithology) Any flight feather attached to the manus (hand) of a bird.
      A primary colour.
      (military) The first stage of a thermonuclear weapon, which sets off a fission explosion to help trigger a fusion reaction in the weapon's secondary stage.
      (aviation) A radar return from an aircraft (or other object) produced solely by the reflection of the radar beam from the aircraft's skin, without additional information from the aircraft's transponder.
      (medicine) The primary site of a disease; the original location or source of the disease.
      (electronics) A directly driven inductive coil, as in a transformer or induction motor that is magnetically coupled to a secondary.
      verb
      (US, politics, transitive, intransitive) To challenge (an incumbent sitting politician) for their political party's nomination to run for re-election, through running a challenger campaign in a primary election, especially one that is more ideologically extreme.
      (US, intransitive, transitive) To take part in a primary election.
      adjective
      First or earliest in a group or series.
      Main; principal; chief; placed ahead of others.
      (geology) Earliest formed; fundamental.
      (chemistry) Illustrating, possessing, or characterized by, some quality or property in the first degree; having undergone the first stage of substitution or replacement.
      (medicine) Relating to the place where a disorder or disease started to occur.
      (medicine) Relating to day-to-day care provided by health professionals such as nurses, general practitioners, dentists etc.
      Roots
      primusprim- · Latin · first
      Synonyms for primary
      primogenialelementaryadjsecondaryadjmainadjelementaladjprincipaladjtertiaryadjbasaladjprimaladjpredominantadjforemostadjoverridingadjfirstnfundamentaladjprimeadjbasicadjcrucialadjprimordialadj
      Words related to primary
      secondarinessnnonaryadjprincipatevduodenaryadjpivotaladjelementarinessnprimenessnincumbentadjsenaryadjcorenelectabilityncandidatenseptenarynprincipalshipn

      Synonyms & related words for primary

      Find synonyms, related words, and the definition of primary — including primogenial, elementary, secondary, main, elemental, principal. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

      Words related to primary

      Explore words related to primary — words associated with it, words that go with it, and its nearest matches in meaning. Related words include secondariness, nonary, principate, duodenary, pivotal, elementariness, primeness, incumbent. Click any word to make it the center of the map and keep exploring the web of connections.

      Synonyms for primary

      Common synonyms for primary include primogenial, elementary, secondary, main, elemental, principal, tertiary, basal — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

      Where does primary come from?

      The word primary breaks down into one root of Latin origin: the root prim-, from Latin primus (“first”). Explore each root to see other English words built from the same source.

      © 2026 Dendril · Credits Explore roots