Synonyms and antonyms of Serious and humorless in American Thesaurus

serious (adjective)

meaning what you say or do, and not making a joke

in earnest ()

serious and meaning what you say

substantial (adjective)

dealing with important ideas in a serious way

sober (adjective)

with a serious attitude

solemn (adjective)

involving serious behavior or serious attitudes

stolid (adjective)

acting or thinking in a slow serious manner

deep (adjective)

someone who is deep has very serious thoughts, ideas, or feelings

funereal (adjective)

very slow or serious

officious (adjective)

showing disapproval showing an annoying tendency to take your position or status too seriously

a sense of humor failure ()

a situation in which you are unable to see that something is funny

for real ()

if something is for real, you are doing it seriously, not just practicing or pretending

humorless (adjective)

unable to see when something is funny, often because of being too serious

humourless ()

the British spelling of humorless

lighten up (informal)

informal used for telling someone to be less serious

religiously (adverb)

if you do something religiously, you do it regularly and are very serious about it

serious (adjective)

someone who is serious thinks carefully about things and does not laugh much

serious (adjective)

dealing with important, complicated, or difficult ideas or subjects

seriously (adverb)

in a way that shows that you think something is important

staid (adjective)

serious and rather boring