Standard Lemma guide

diametric

adj · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • UK: /daɪəˈmɛtɹɪk/

1

adj

Meaning 1

Directly opposing.

Definition source: English Wiktionary via Wiktextract

Examples

  • In some religions, good and evil are considered diametric opposites.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Of or relating to a diameter; diametral.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective

Meaning 3

related to or along a diameter

Definition source: Princeton WordNet 3.0

Examples

  • the diametral plane

Meaning relationships

Synonyms: diametral, diametrical

Antonyms: none provided

4

adjective satellite

Meaning 4

characterized by opposite extremes; completely opposed

Definition source: Princeton WordNet 3.0

Examples

  • in diametric contradiction to his claims
  • diametrical (or opposite) points of view
  • opposite meanings
  • extreme and indefensible polar positions

Meaning relationships

Synonyms: diametrical, opposite, polar

Antonyms: none provided

History

Etymology

1802, probably shortened from diametrical (1550s).

Across languages

Translations

4 source translations are retained for this English entry.

  • Catalan: diametral — directly opposite
  • Czech: diametrální — directly opposite
  • French: diamétral — directly opposite
  • Romanian: diametral — directly opposite