(v.) to make up for

Synonyms: expiate, make amends for

(n.) slavery; any state of being bound or held down

Synonyms: servitude, captivity, subjection, dependence

Antonyms: freedom, liberty, independence 

(adj.) believable

Synonyms: plausible, acceptable, likely

Antonyms: unbelievable, implausible, improbable

(v.) to pay for

Synonyms: settle, bear the cost, foot the bill

(adj.) hardworking, industrious, not lazy

Synonyms: assiduous, sedulous

Antonyms: lazy, indolent, cursory, perfunctory

(adj.) sad; dreary

Synonyms: sorrowful, mournful, melancholy, dolorous

Antonyms: cheerful, blithe, jaunty, buoyant

(adj.) frightful, horrible; deathly pale

Synonyms: dreadful, appalling, gruesome, grisly

Antonyms: pleasant, agreeable, attractive, delightful

(v.) to hold back

Synonyms: hinder, obstruct, impede, inhibit

Antonyms: facilitate, ease, smooth the way

(v.) to shape or cut down with an ax; to hold to 

Synonyms: chop, hack, fell, adhere, conform

(adj.) poor, in a state of poverty; depleted

Synonyms: poverty-stricken, distitute, indigent

Antonyms: rich, wealthy, affluent, prosperous

(adj.) never stopping, going on all the time

Synonyms: ceaseless, constatn, uninterrupted

Antonyms: occasional, sporadic, intermittent

(adj.) complicated; difficult to understand

Synonyms: complex, convoluted

Antonyms: simple, uninvolved, uncomplicated