后缀-acious = 多…的,充满…的,有…倾向的,具有…的特点

词缀后缀

形容词后缀-acious 来源于拉丁语，属于复合后缀，是由 -aci + -ous 组合而成，它与名词后缀 -acity 相对应

英语词源：adjectival word-forming element meaning "given to, inclined to, abounding in," from Latin -aci- (nominative -ax), noun ending used with verbal stems, + -ous.

nclined to, given to, or having as a capacity.

[Originally and mainly from Latin words in -ax or -ac-, plus -ous.]

Words in -acious are adjectives. Words ending in -acity are corresponding nouns of quality or state (audacity, sagacity).

Examples of words in -acious
All examples derive from Latin.

*audacious*	willing to take risks	audax, bold
*capacious*	having a lot of space inside, roomy	capax, capac-, capable
*efficacious*	successful in producing a desired result	efficax, from efficere, to accomplish
*loquacious*	talkative	loquax, from loqui, talk
*mendacious*	not telling the truth	mendax, lying, related to mendum, a fault
*pertinacious*	holding firmly to an opinion or a course of action	pertinax, holding fast
*pugnacious*	eager or quick to argue or fight	pugnax, from pugnare, to fight
*rapacious*	aggressively greedy or grasping	rapax, from rapere, to snatch
*sagacious*	showing good judgement	sagax, wise
*tenacious*	holding fast to something, not easily giving up	tenax, from tenere, to hold
*veracious*	speaking or representing the truth	verax, from verus, true
*vivacious*	attractively lively and animated	vivax, lively or vigorous, from vivere, to live
*voracious*	wanting or devouring great quantities of food	vorax, from vorare, to devour

同缀词：

1.loquacious [loqu 言 + -acious 形容词后缀→]
adj. 多言的

2.capacious [cap 拿，抓住 + -acious 形容词后缀→]
adj. 容量大的

3.veracious [ver 敬畏 + -acious 形容词后缀→]
adj.真实的,可靠的

4.mendacious [mend 错误 + -acious 形容词后缀→]
adj. 欺骗的,扯谎的