serious

/sˈɪɹiəs/ · 3 syllables

Meaning

adjective

1. concerned with work or important matters rather than play or trivialities
   “a serious student of history”
2. of great consequence
   “marriage is a serious matter”
3. causing fear or anxiety by threatening great harm
   “a dangerous operation”
4. appealing to the mind
   “good music”
5. completely lacking in playfulness
6. requiring effort or concentration; complex and not easy to answer or solve
   “raised serious objections to the proposal”

Synonyms for serious

• earnest
• grave
• overserious
• real
• thoughtful
• sobering
• solid
• important
• dangerous
• grievous
• severe
• life-threatening
• critical
• good
• intellectual
• unplayful
• sober
• difficult

Antonyms of serious

• frivolous

Words that rhyme with serious

• delirious
• mysterious
• deleterious
• imperious