straightness

/ˈstreɪtnəs/ (bre, ipa) · /ˈstreɪtnəs/ (ame, ipa)

straightness — noun

1. The physical characteristic of an object, surface, or line that continues evenly

1.名詞A2
釋義

The physical characteristic of an object, surface, or line that continues evenly in a single direction with no curves, waves, or deviation to either side.

例句

Kimiko checked the straightness of the curtain rod with a level before hanging drapes.

check the straightness of [object] + measuring tool

The straightness of Hassan's new fence was ruined by one crooked post near the gate.

同義詞
  • evenness

    focuses on a flat, level surface without bumps, used more for surfaces than lines

  • linearity

    technical term for alignment in a straight line; common in mathematics and physics

  • alignment

    being positioned in a straight line with other objects; implies relative positioning, not an inherent property

反義詞
  • crookedness

    the state of being bent, twisted, or not straight

  • curvature

    the degree to which something curves; more technical

文法句型

the straightness of [noun phrase]

用法筆記

Frequently used in construction, carpentry, and geometry contexts. The adjective form 'straight' is far more common in everyday conversation — 'straightness' is preferred when you need to name the quality as a concept.

常見錯誤

Check the straightness before you cut.' (ambiguous — what object?).
Check the straightness of the board before you cut it.
💡always specify what you are measuring.

2. The personal quality of expressing your real opinions and feelings openly, witho

2.名詞B2
釋義

The personal quality of expressing your real opinions and feelings openly, without hiding behind polite or indirect language, even when the truth may be uncomfortable.

例句

Everyone respected Mei-Lin's straightness — she never hid her opinion just to please others.

respected [someone] for [someone's] straightness

The project leader valued the straightness of Diego's feedback, even when the news was hard.

同義詞
  • directness

    focuses on a straightforward speaking style without detours

  • frankness

    implies openness even when the truth is uncomfortable or socially awkward

  • candor

    more formal register; sincere and open expression of feelings

反義詞
  • dishonesty

    the quality of being untruthful or deceitful

  • insincerity

    not expressing genuine feelings; saying what others want to hear

文法句型

someone's straightness

用法筆記

This sense is more common in British English than American English. In the US, 'directness' or 'frankness' is typically preferred. The adjective 'straight' carries this meaning in all varieties ('a straight answer', 'just be straight with me').

常見錯誤

I value your straightness about the problem.' (ambiguous — could be physical or honesty).
I value your honesty about the problem.
💡use 'honesty' or 'directness' when you need to avoid confusion with the physical meaning.

3. The condition of being romantically and sexually attracted primarily to people o

3.名詞C1
釋義

The condition of being romantically and sexually attracted primarily to people of the opposite sex or gender, typically used in discussions of sexual orientation.

例句

Amir's family never questioned his straightness; they expected him to marry a woman someday.

question someone's straightness

The survey asked participants about their sexual orientation, including straightness, bisexuality, and same-sex attraction.

straightness as a category in a list of orientations

同義詞
  • heterosexuality

    the standard formal term used in medical, academic, and clinical writing

反義詞

文法句型

someone's straightness

the straightness of [group]

用法筆記

Primarily used in formal, academic, or sociological discussions of sexuality. In everyday conversation, the adjective 'straight' ('He is straight') or the term 'heterosexual' is far more natural than the noun 'straightness'.

常見錯誤

He announced his straightness to his parents.' (unnatural — sounds like a formal declaration).
He told his parents that he was straight.
💡the adjective form is far more natural in everyday speech.