Standard Lemma guide

straightness

noun · 7 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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1

noun

Meaning 1

The result or product of being straight.

Definition source: English Wiktionary via Wiktextract

Usage: countable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: rectilinearity, rectitude

Antonyms: none provided

2

noun

Meaning 2

The state or quality of being straight (especially in the sense of "heterosexual").

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: heterosexuality

Antonyms: gayness

3

noun

Meaning 3

a sexual attraction to (or sexual relations with) persons of the opposite sex

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: heterosexuality, heterosexualism

Antonyms: none provided

Broader terms: sexual activity, sexual practice, sex, sex activity

4

noun

Meaning 4

having honest intentions

Definition source: Princeton WordNet 3.0

Examples

  • he acted in good faith
  • doubt was expressed as to the good faith of the immigrants

Meaning relationships

Synonyms: good faith

Antonyms: none provided

Broader terms: honesty, honestness

5

noun

Meaning 5

trueness of course toward a goal

Definition source: Princeton WordNet 3.0

Examples

  • rivaling a hawk in directness of aim

Meaning relationships

Synonyms: directness

Antonyms: none provided

Broader terms: characteristic

Narrower terms: downrightness, straightforwardness, immediacy, immediateness, pointedness

6

noun

Meaning 6

freedom from crooks or curves or bends or angles

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: crookedness

Broader terms: shape, form, configuration, contour, conformation

7

noun

Meaning 7

(of hair) lack of a tendency to curl

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: curliness

Broader terms: curvature, curve

History

Etymology

From Middle English streightnes, equivalent to straight + -ness. Cognate with Scots strauchtness, straichtness (“straightness”).

Real reading context

straightness in complete knowledge articles