different between serious vs careful

English

Etymology

From Middle English seryows, from Old French serieux, from Medieval Latin s?ri?sus, an extension of Latin s?rius (“grave, earnest, serious”), from Proto-Indo-European *swer- (“heavy”). Cognate with German schwer (“heavy, difficult, severe”), Old English sw?r (“heavy, grave, grievous”). More at swear, sweer.

Pronunciation

• (General American) IPA^(key): /?s???.i.?s/, [?si??.i.?s]
• (Received Pronunciation) IPA^(key): /?s??.?i.?s/
• Rhymes: -???i?s
• Homophones: cereous, Sirius (one pronunciation)

Adjective

serious (comparative more serious or seriouser, superlative most serious or seriousest)

1. Without humor or expression of happiness; grave in manner or disposition

   It was a surprise to see the captain, who had always seemed so serious, laugh so heartily.

   Synonyms: earnest, solemn

2. Important; weighty; not insignificant

   This is a serious problem. We'll need our best experts.

3. Really intending what is said (or planned, etc); in earnest; not jocular or deceiving

   After all these years, we're finally getting serious attention.

   He says he wants to buy the team, but is he serious?

4. (of a relationship) Committed.

Synonyms

• See also Thesaurus:serious

Antonyms

• (important, weighty): trifling, unimportant
• (intending what is said): jesting

Derived terms

• srs (abbreviation)
• dead serious
• seriously
• seriousness
• serious-minded
• serious-mindedly
• serious-mindedness

Translations

Adverb

serious (not comparable)

1. (colloquial, dialect) In a serious manner; seriously.

Further reading

• serious in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• serious in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

English

Alternative forms

• carefull (obsolete)

Etymology

From Middle English careful, from Old English carful; equivalent to care +? -ful.

Pronunciation

• (UK) IPA^(key): /?k??f?l/
• (US) IPA^(key): /?k?(?)?f?l/

Adjective

careful (comparative more careful, superlative most careful)

1. Taking care; attentive to potential danger, error or harm; cautious.

2. Conscientious and painstaking; meticulous.

3. (obsolete) Full of care or grief; sorrowful, sad.
4. (obsolete) Full of cares or anxiety; worried, troubled.
   • 1590, Edmund Spenser, The Faerie Queene, III.1:

     Where through long watch, and late daies weary toile, / She soundly slept, and carefull thoughts did quite assoile.

Synonyms

• See also Thesaurus:cautious
• See also Thesaurus:meticulous

Antonyms

• careless

Derived terms

• carefully
• carefulness

Translations

Anagrams

• acreful