| 【ratio, ration, rati-, rat-】 are a [English Root word(stem)] from the Latin word(s) "ratio," "rationem," "rat," "reri," and "rationis." It carries the basic meaning of "reckon," "think," and "understanding." |
[English words in the top 5000 most frequently used containing the root "ratio, ration, rati-, rat-"]
irrational ☆[4690] If you describe someone's feelings and behaviour as irrational, you mean they are not based on logical reasons or clear thinking.
rate ****[1079] The rate at which something happens is the speed with which it happens.
ratio ***[2951] A ratio is a relationship between two things when it is expressed in numbers or amounts. For example, if there are ten boys and thirty girls in a room, the ratio of boys to girls is 1:3, or one to three.
rational ***[3113] Rational decisions and thoughts are based on reason rather than on emotion.
reason ****[841] The reason for something is a fact or situation which explains why it happens or what causes it to happen.
reasonable ****[1943] If you think that someone is fair and sensible you can say that they are reasonable.
reasonably **[3634] to a fair or moderate degree; fairly
unreasonable **[3648] If you say that someone is being unreasonable, you mean that they are behaving in a way that is not fair or sensible.
[WORD ROOT]root ratio
[VARIATIONS OF ROOT] ratio, reason, rate
[ETYMOLOGY]root (Latin) ratio, rationem, rat, reri, rationis
[MEANING]root reckon, think, understanding
【DETAILs OF ORIGIN(ETYMOLOGY】
- 【Latin】 ratio [from rat-, nominative of rationem] (genitive rationis) reckoning, numbering, calculation; business affair, procedure; (also) reason, reasoning, judgment, understanding
- 【Latin】 rationem [past participle stem of reri] (nominative ratio)
- 【Latin】 rat [pps of reri]
- 【Latin】 reri to reckon, think
- 【Latin】 rationis (genitive of ratio)
Please see the Word information in detail as follows;
| ★★★★(top 2,000) ★★★(top 3,500) ★★(top 4,500) ☆(top 6,000) |
irrational ☆[4690] adjective from irrational 〈 ratio
【DEFINITION】 If you describe someone's feelings and behaviour as irrational, you mean they are not based on logical reasons or clear thinking.
【SYNONYM】 unreasonable
【ANTONYM】 rational
【ROOTs】 ⑴ ir(in); not ⑵ rat(ratio); reckon, think ⑶ ion; noun suffix ⑷ al(ad); to, toward
【Etymology】 《Latin ratio》 [from rat-, nominative of rationem] (genitive rationis) reckoning, numbering, calculation; business affair, procedure; (also) reason, reasoning, judgment, understanding
【First Known Meaning】 not endowed with reason
【DERIVATIVEs】 irrationality, irrationally, irrationalness, irrational
rate ★★★★[1079] noun from rate 〈 ratio
【DEFINITION】 The rate at which something happens is the speed with which it happens.
【pl.】 rates
【ROOTs】 rate(ratio); reckon, think
【Etymology】 《Latin ratio》 [from rat-, nominative of rationem] (genitive rationis) reckoning, numbering, calculation; business affair, procedure; (also) reason, reasoning, judgment, understanding
ratio ★★★[2951] noun from ratio
【DEFINITION】 A ratio is a relationship between two things when it is expressed in numbers or amounts. For example, if there are ten boys and thirty girls in a room, the ratio of boys to girls is 1:3, or one to three.
【pl.】 ratios
【SYNONYM】 proportion
【ROOTs】 ratio; reckon, think, understanding
【Etymology】 《Latin ratio》 [from rat-, nominative of rationem] (genitive rationis) reckoning, numbering, calculation; business affair, procedure; (also) reason, reasoning, judgment, understanding
【First Known Meaning】 reason, rationale
rational ★★★[3113] adjective from rational 〈 ratio
【DEFINITION】 Rational decisions and thoughts are based on reason rather than on emotion.
【SYNONYM】 reasonable
【ANTONYM】 irrational
【ROOTs】 ⑴ rat(ratio); reckon, think ⑵ ion; noun suffix ⑶ al; adjective suffix
【Etymology】 《Latin ratio》 [from rat-, nominative of rationem] (genitive rationis) reckoning, numbering, calculation; business affair, procedure; (also) reason, reasoning, judgment, understanding
【First Known Meaning】 pertaining to reason
【DERIVATIVEs】 rationalize, rationally, rationalness, rational
reason ★★★★[841] noun from reason 〈 ratio
【DEFINITION】 The reason for something is a fact or situation which explains why it happens or what causes it to happen.
【pl.】 reasons
【ROOTs】 reason(ratio); reckon, think, understanding
【Etymology】 《Latin ratio》 [from rat-, nominative of rationem] (genitive rationis) reckoning, numbering, calculation; business affair, procedure; (also) reason, reasoning, judgment, understanding
【First Known Meaning】 intellectual faculty that adopts actions to ends,
【DERIVATIVEs】 reason, reasonability, reasonable, reasonableness, reasonably, reasoner
reasonable ★★★★[1943] adjective from reason 〈 ratio
【DEFINITION】 If you think that someone is fair and sensible you can say that they are reasonable.
【SYNONYM】 fair, average, rational
【ANTONYM】 unreasonable
【ROOTs】 ⑴ reason(ratio); reckon, think ⑵ able; suffix
【Etymology】 《Latin ratio》 [from rat-, nominative of rationem] (genitive rationis) reckoning, numbering, calculation; business affair, procedure; (also) reason, reasoning, judgment, understanding
【First Known Meaning】 having sound judgment, sane, rational
【DERIVATIVEs】 reason, reasonability, reasonable, reasonableness, reasonably, reasoner
reasonably ★★[3634] adverb from reason 〈 ratio
【DEFINITION】 ① to a fair or moderate degree; fairly
② in a logical and sensible way
③ in a fair or appropriate way
【COMPOSITION】 reasonable + ly
【ROOTs】 ⑴ reason(ratio); reckon, think ⑵ abl(able); suffix ⑶ y(ly); suffix
【Etymology】 《Latin ratio》 [from rat-, nominative of rationem] (genitive rationis) reckoning, numbering, calculation; business affair, procedure; (also) reason, reasoning, judgment, understanding
【DERIVATIVEs】 reason, reasonability, reasonable, reasonableness, reasonably
unreasonable ★★[3648] adjective from reason 〈 ratio
【DEFINITION】 If you say that someone is being unreasonable, you mean that they are behaving in a way that is not fair or sensible.
【SYNONYM】 irrational
【ANTONYM】 reasonable
【ROOTs】 ⑴ un; not ⑵ reason(ratio); reckon, think ⑶ able; suffix
【Etymology】 《Latin ratio》 [from rat-, nominative of rationem] (genitive rationis) reckoning, numbering, calculation; business affair, procedure; (also) reason, reasoning, judgment, understanding
Other words containing "ratio, ration, rati-, rat-"; irrationality, irrationally, irrationalness, ration, rationalize, rationally, rationalness, reasonability, reasonableness, reasoner
【OTHER ROOTs; 】
rapt-, rap-
rang-
rain
radi
quest, -quer-, -quir-, quesit-, -quisit-
quass-, quati-, -cuti-, -cuss-
qual
pute
put
pure
