producing a great deal of profit

"The business deal looks lucrative"

Synonyms:profitable, remunerative, worthwhile

stupid or unreasonable and deserving to be laughed at

"He looked ludicrous in that suit"

Synonyms:absurd, ridiculous, farcical, laughable

looking or sounding sad and dismal

"His face looked even more lugubrious than usual"

Synonyms:mournful, gloomy, sad, unhappy, doleful

Antonyms:optimistic

(of liquid or food that should be hot) only moderately warm; tepid

showing little enthusiasm

Synonyms:indifferent

to cause someone to feel calm or to feel that they want to sleep

"The motion of the car almost lulled her to sleep"

Synonyms:soothe, calm

a quiet, gentle song sung to send a child to sleep

Synonyms:song

the state of being a lunatic; insanity

Synonyms:insanity, madness, derangement, dementia

Antonyms:sanity

make an abrupt, unsteady, uncontrolled movement

"The car lurched forward"

Synonyms:stagger

unpleasantly bright in colour

vividly shocking or sensational

be or remain hidden so as to wait in ambush

"A ruthless killer still lurked in the darkness"

Synonyms:skulk, sneak, prowl, hide

(of a food or drink) rich and sweet taste

Synonyms:delicious, succulent, lush, juicy

(of vegetation) rich and profuse in growth

"Tall and luxuriant trees are found in evergreen forests"

Synonyms:abundant, lush, flourishing

(of hair) thick and healthy

acting as an interim and temporary measure

Synonyms:temporary, provisional, standby, make-do, ad hoc

a disease or ailment

Antonyms:goodwill

a habitual gesture or way of speaking or behaving

Synonyms:idiosyncrasy, quirk, oddity, peculiarity, eccentricity

to an extent which is clearly noticeable; significantly

Synonyms:noticeably, decidedly, strikingly, distinctly, remarkably

a person who thinks and acts independently of and differently from others

Synonyms:individualist, nonconformist

Antonyms:conservative

soft and pleasant sound

Synonyms:dulcet, euphonious

Synonyms:harmonious, tuneful