adj.

1. Guided by or in accordance with the dictates of conscience; principled: a conscientious decision to speak out about injustice.
2. Thorough and assiduous: a conscientious worker; a conscientious effort to comply with the regulations.

[Obsolete French conscientieux, from Medieval Latin cōnscientiōsus, from Latin cōnscientia, conscience. See conscience.]

conscientiously con'sci·en'tious·ly adv.
conscientiousness con'sci·en'tious·ness n.

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adj

Definition: moral, upright
Antonyms: corrupt, dishonest, immoral, unjust, vulgar

adj

Definition: thorough, careful
Antonyms: careless, inexact, irresponsible, uncareful, unconscientious, unscrupulous

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IN BRIEF: Always attempting to do the right thing.

Joe was very conscientious.

Note: click on a word meaning below to see its connections and related words.

The adjective has 2 meanings:

Meaning #1: characterized by extreme care and great effort
  Synonyms: painstaking, scrupulous

Meaning #2: guided by or in accordance with conscience or sense of right and wrong
  Antonym: unconscientious (meaning #1)

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Dansk (Danish)
adj. - samvittighedsfuld

idioms:

• conscientious objector    militærnægter af samvittighedsgrunde

Nederlands (Dutch)
consciëntieus

Français (French)
adj. - consciencieux

idioms:

• conscientious objector    objecteur de conscience

Deutsch (German)
adj. - gewissenhaft, pflichtbewußt

idioms:

• conscientious objector    Kriegsdienstverweigerer

Ελληνική (Greek)
adj. - ευσυνείδητος, (μτφ.) φιλότιμος

idioms:

• conscientious objector    αντιρρησίας συνειδήσεως

Italiano (Italian)
coscienzioso, scrupoloso

idioms:

• conscientious objector    obiettore di coscienza

Português (Portuguese)
adj. - consciencioso

idioms:

• conscientious objector    pessoa (f) que se recusa a combater em guerra por motivos religiosos ou morais

Русский (Russian)
сознательный, добросовестный

idioms:

• conscientious objector    отказывающееся от воинской повинности по рел./другим прич.

Español (Spanish)
adj. - concienzudo, escrupuloso, meticuloso

idioms:

• conscientious objector    objetor de conciencia

Svenska (Swedish)
adj. - samvetsgrann, plikttrogen, hederlig

中文（简体） (Chinese (Simplified))
有责任心的, 本着良心的, 负责的

idioms:

• conscientious objector    拒服兵役的人

中文（繁體） (Chinese (Traditional))
adj. - 有責任心的, 本著良心的, 負責的

idioms:

• conscientious objector    拒服兵役的人

한국어 (Korean)
adj. - 양심적인, 근직한

日本語 (Japanese)
adj. - 良心的な, 誠実な, 念入りな

idioms:

• conscientious objector    良心的兵役拒否者

العربيه (Arabic)
‏(صفه) ذو ضمير حي‏

עברית (Hebrew)
adj. - ‮רציני, מסור, מצפוני‬

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