obtuse

FREQ #37239

a. 钝的, 不锋利的, 愚钝的 [医] 钝形的, 迟钝的(智力)

发音

UK /əbˈtjuːs/
UK /-ˈtʃuːs/
AU
US /əbˈt(j)us/
US /ɑb-/

词形变化

obtused obtuses 三单 obtuses obtusing obtusing 现在分词 obtused 过去式 obtused 过去分词 obtuser 比较级 obtuser obtusest more obtuse 比较级 obtusest 最高级 most obtuse 最高级

释义与例句

v.
  1. 1.

    To dull or reduce an emotion or a physical state.

    废旧 及物
adj.
  1. 1.

    Blunt; not sharp, pointed, or acute in form.

    钝

    生物 植物学 动物学
  2. 2.

    Blunt; not sharp, pointed, or acute in form.

    Blunt, or rounded at the extremity.

    生物 植物学 动物学
  3. 3.

    Blunt; not sharp, pointed, or acute in form.

    Larger than one, and smaller than two right angles, or more than 90° and less than 180°.

    钝

    生物 植物学 数学 动物学
  4. 4.

    Blunt; not sharp, pointed, or acute in form.

    Obtuse-angled, having an obtuse angle.

    生物 植物学 数学 动物学
  5. 5.

    Intellectually dull or dim-witted.

    迟钝

  6. 6.

    Of sound, etc.: deadened, muffled, muted.

    沉闷

  7. 7.

    Indirect or circuitous.

词汇关系

形容词

同义词 6

slow dumb dull dense dim purblind

反义词 1

acute

近义相关 4

stupid simple undiscerning unsubdivided

相关短语

obtuse triangle 钝角三角形 obtuse triangles obtuse angle [医] 钝角 obtuse angles obtuse horn shell obtuse horn shells

词源

From Middle English obtuse, from Latin obtūsus (“blunt, dull; obtuse”), past participle of obtundere, from obtundō (“to batter, beat, strike; to blunt, dull”), from ob- (“against”) (see ob-) + tundō (“to beat, strike; to bruise, crush, pound”) (ultimately from Proto-Indo-European *(s)tewd-, from *(s)tew- (“to hit; to push”)). More at obtund.

来源：wiktionary