Janus

/ˈd͡ʒeɪnəs/ name

name ·Uncommon ·Advanced level

Meaning at a glance

  • Primary sense: The god of doorways, gates and transitions, and of beginnings and endings, having two faces looking in opposite directions.
  • Grammar: janus is listed as name.
  • Nearest alternatives: ambiguity, ambivalence, autoantonym, biformity.
  • Useful contrasts: honest person, mortal, straight shooter.
  • Usage evidence: "Then wars shall cease and savage times grow mild, / and Remus and Quirinus, brethren twain, / with hoary Faith and Vesta undefiled, / shall give the law. With iron bolt and chain / firm-closed the gates of Janus shall remain. / Within, the Fiend of Discord, high reclined / on horrid arms, unheeded in the fane, / bound with a hundred brazen knots behind, / and grim with gory jaws, his grisly teeth shall grind."

How to use "janus"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "janus" carries the exact meaning, tone, and strength you need.
  3. Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.

Meaning check

  • Does the word fit the sentence's grammar?
  • Does it match the intended tone rather than only the dictionary definition?
  • Would a simpler synonym be clearer for the reader?
  • Is there enough surrounding context to prevent ambiguity?

Source and review context

This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "janus" in a final draft.

If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.

Before you rely on this definition

Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "janus" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "janus" with a nearby alternative so the final choice matches both meaning and reader expectation.

Compare nearby meanings

  • Use synonyms when you need a softer, stronger, simpler, or more specific word.
  • Use antonyms to check the boundary of the meaning and avoid accidental contrast.
  • Use the example sentence to confirm the word behaves naturally in context.
  • Keep the original wording when a replacement adds complexity without improving precision.

Definition decision workflow

1. Identify the role

Check whether "janus" is acting as name in your sentence. A definition is only useful when the grammar matches the way the word is being used.

2. Test the nearest option

Compare it with "ambiguity" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.

3. Confirm with context

Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.

Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.

Final meaning check

Before publishing a sentence with "janus", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.

When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.

Definitions

Proper Noun
  1. 1
    The god of doorways, gates and transitions, and of beginnings and endings, having two faces looking in opposite directions. Roman

    "In the ages of victory, as often as the senate decreed some distant conquest, the consul denounced hostilities, by unbarring, in solemn pomp, the gates of the temple of Janus. Domestic war now rendered the admonition superfluous, and the ceremony was superseded by the establishment of a new religion. But the brazen temple of Janus was left standing in the forum; of a size sufficient only to contain the statue of the god, five cubits in height, of a human form, but with two faces, directed to the east and west."

  2. 2
    Used to indicate things with two faces (such as animals with diprosopus) or aspects; or made of two different materials; or having a two-way action. attributive

    "Janus cat, Janus particle"

  3. 3
    Used to indicate things with two faces (such as animals with diprosopus) or aspects; or made of two different materials; or having a two-way action.; Used to indicate an azo dye with a quaternary ammonium group, frequently with the diazo component being safranine. attributive

    "Janus green B is a dye used widely in histology to stain cells for microscopic examination."

  4. 4
    A two-faced person, a hypocrite. figuratively

    "The hypocrite; or, The modern Janus."

  5. 5
    A moon of Saturn.

    "Heavily cratered and irregularly shaped, Janus orbits Saturn just beyond the F ring and only 50km (30 miles) farther away than its co-orbital moon, Epimetheus."

Antonyms

honest personmortalstraight shooterunivocal term

Example

""Then wars shall cease and savage times grow mild, / and Remus and Quirinus, brethren twain, / with hoary Faith and Vesta undefiled, / shall give the law. With iron bolt and chain / firm-closed the gates of Janus shall remain. / Within, the Fiend of Discord, high reclined / on horrid arms, unheeded in the fane, / bound with a hundred brazen knots behind, / and grim with gory jaws, his grisly teeth shall grind.""

Common questions

What does "janus" mean?

The god of doorways, gates and transitions, and of beginnings and endings, having two faces looking in opposite directions.

What is a synonym for "janus"?

Common synonyms include: ambiguity, ambivalence, autoantonym, biformity, bifurcation, conjugation.

How do you use "janus" in a sentence?

"Then wars shall cease and savage times grow mild, / and Remus and Quirinus, brethren twain, / with hoary Faith and Vesta undefiled, / shall give the law. With iron bolt and chain / firm-closed the gates of Janus shall remain. / Within, the Fiend of Discord, high reclined / on horrid arms, unheeded in the fane, / bound with a hundred brazen knots behind, / and grim with gory jaws, his grisly teeth shall grind."

How do you pronounce "janus"?

Pronounced /ˈd͡ʒeɪnəs/.

Etymology

From Latin Iānus (“the Roman god Janus”).

More for "janus"