normal, ordinary, regular, natural, typical

usual, customary, habitual, conventional, regular

名詞 regular:

1. a regular patron
   同義詞：habitue, fixture
2. a soldier in the regular army
3. a dependable follower (especially in party politics)
4. a garment size for persons of average height and weight

形容詞 regular:

1. in accordance with fixed order or procedure or principle
2. often used as intensifiers
   同義詞：veritable
3. conforming to a standard or pattern
4. (of solids) having clear dimensions that can be measured; volume can be determined with a suitable geometric formula
5. regularly scheduled for fixed times
6. in accord with regular practice or procedure
7. occurring at fixed intervals
   同義詞：even
8. relating to a person who does something regularly
   同義詞：steady
9. (used of the military) belonging to or engaged in by legitimate army forces
10. not constipated
    同義詞：unconstipated
11. symmetrically arranged
    同義詞：even
12. not deviating from what is normal
13. officially full-time

1. His pulse is not very regular.
   他的脈搏不很規(guī)則。
2. I am a regular reader of this newspaper.
   我是這份報紙的長期讀者。
3. He has very regular features.
   他五官端正。
4. A cube is a regular solid.
   立方體是正多面體。

reg.u.lar

adj.Abbr. reg.（形容詞）縮寫 reg.
Customary, usual, or normal:
平常的，慣例的：習慣性的、通常的或正常的：
例句：
the train`s regular schedule.
火車正常的時間表

Orderly, even, or symmetrical:
規(guī)則的：有秩序的、均勻的或對稱的：
例句：
regular teeth.
勻稱的牙齒

In conformity with a fixed procedure, principle, or discipline.
有原則的：符合固定程序、規(guī)則或紀律的
Well-ordered; methodical:
規(guī)律的，有秩序的：秩序良好的；有條理的：
例句：
regular habits.
有規(guī)律的習慣

Occurring at fixed intervals; periodic:
定期的：按固定的間隔發(fā)生的；階段性的：
例句：
regular payments.See Synonyms at normal
定期付款參見 normal

Occurring with normal or healthy frequency.
正常頻率的：按正常或健康的頻率發(fā)生的
Having bowel movements or menstrual periods with normal or healthy frequency.
恒常的：具有正?；蚪】档念l率的腸胃運動或月經(jīng)周期的
Not varying; constant.
不變的：不經(jīng)常變化的；經(jīng)常的
Formally correct; proper.
適當?shù)?；合適的
Having the required qualifications for an occupation:
合格的：擁有必要的職業(yè)資格的：
例句：
not a regular lawyer.
不是一個合格的律師

Informal Complete; thorough:
【非正式用語】 完全的；徹底的：
例句：
a regular scoundrel.
十足的惡棍

Informal Good; nice:
【非正式用語】 好的；友善的：
例句：
a regular guy.
不錯的家伙

Botany Having symmetrically arranged parts of similar size and shape:
【植物學】 對稱的：具有相似大小和形狀的呈對稱排列的部分的：
例句：
regular flowers.
對稱的花

Grammar Conforming to the usual pattern of inflection, derivation, or word formation.
【語法】 規(guī)則變化的：符合詞尾變化、衍生詞及構詞正常規(guī)則的
Ecclesiastical Belonging to a religious order and bound by its rules:
【基督教會】 受教規(guī)約束的：屬于一個教派并受其教規(guī)約束的：
例句：
the regular clergy.
受教規(guī)約束的神職人員

Mathematics
【數(shù)學】
Having equal sides and equal angles. Used of polygons.
等邊等角的：具有等邊等角的。用于多邊形
Having faces that are congruent regular polygons and congruent polyhedral angles. Used of polyhedrons.
全等的：每個面都是全等正多角形和全等多面角的。用于多面體
Belonging to or constituting the permanent army of a nation.
正規(guī)軍的：屬于或構成一個國家的常備軍的
n.（名詞）
Ecclesiastical A member of the clergy or of a religious order.
【基督教會】 修道士：神職人員或一個宗教級別的成員
A soldier belonging to a regular army.
正規(guī)軍士兵
A dependable, loyal person:
忠誠的人：可靠、忠誠的人：
例句：
one of the party regulars.
一名忠誠的黨員

A clothing size designed for persons of average height.
一般的尺寸：適合平均身高人穿的衣服尺寸
A habitual customer.
常客

來源：
Middle English reguler [living under religious rule]
中古英語 reguler [在宗教制度下生活的]
from Old French
源自 古法語
from Late Latin rôgul3ris [according to rule]
源自 后期拉丁語 rôgul3ris [依照制度]
from Latin rôgula [rod, rule] * see reg-
源自 拉丁語 rôgula [木棒，尺子] *參見 reg-

【引伸】
reg.ular.ity
reg.ularly
adv.（副詞）