serious
definition: causing fear or anxiety by threatening great harm
example:
speech part: adjective
synonyms:
dangerous
definition: requiring effort or concentration
example:
speech part: adjective
synonyms:
definition: of great consequence
example: marriage is a serious matter
speech part: adjective
synonyms:
definition: appealing to the mind
example:
speech part: adjective
synonyms:
good
definition: concerned with work or important matters rather than play or trivialities
example: a serious student of history
speech part: adjective
synonyms:
definition: completely lacking in playfulness
example:
speech part: adjective
synonyms:
sober