English word
Serious
Definitions
adjective
- thoughtful or subdued in appearance or manner : sober
- requiring much thought or work
- of or relating to a matter of importance
- not joking or trifling : being in earnest
- piousarchaic
- deeply interested : devoted
- not easily answered or solved
- having important or dangerous possible consequences
- excessive or impressive in quality, quantity, extent, or degree
Synonyms for serious
Closest evidence-backed alternatives.
Synonyms by context
Of an important nature
adjective
Thoughtful in manner or disposition
adjective
- contemplative
- pensive
- introspective
- reflective
- ruminative
- thoughtful
- deep in thought
- meditative
- musing
- cogitative
Used to express shock, surprise or skepticism, or to indirectly request confirmation or more information
interjection
- really
- what
- are you kidding
- are you serious
- come on
- good grief
- good heavens
- my word
- no way
- oh come on
Antonyms for serious
Opposite of of an important nature
- trivial
- insignificant
- unimportant
- frivolous
- minor
- small
- immaterial
- inappreciable
- incidental
- inconsequential
Opposite of grave in manner or disposition
Phrases
- a cut above the rest
- ad rem
- all important
- at the cutting edge
- at the heart of
- at the leading edge
- best possible
- beyond compare
- big league
- big time
- bread and butter
- called for
- carrying a lot of weight
- de rigueur
- extremely important
- first and foremost
- first class
- heavy stuff
- highest ranking
- highly regarded