profligate

• adj.放蕩する、軽率な、欲望のままに放蕩する。
• n. 放蕩; 快楽主義

pro-,forward,-flig,打つ,当たる,語源的にはafflict,衝突と同じ。

profligate

profligate: [16] Something that is profligate has etymologically been ‘beaten down’ to a state of ruination or degradation. The word was adapted from Latin prōflīgātus ‘destroyed, dissolute’, an adjective based on the past participle of prōflīgāre ‘beat down, destroy’. This was a compound verb formed from the prefix prō- ‘forward’ (used here in the sense ‘down’) and flīgere ‘hit’ (source also of English afflict, conflict [15], and inflict [16]).
=> afflict, conflict, inflict

profligate (adj.)

1520s, "overthrown, routed" (now obsolete in this sense), from Latin profligatus "destroyed, ruined, corrupt, abandoned, dissolute," past participle of profligare "to cast down, defeat, ruin," from pro- "down, forth" (see pro-) + fligere "to strike" (see afflict). Main modern meaning "recklessly extravagant" is 1779, via notion of "ruined by vice" (1640s, implied in a use of profligation). Related: Profligately. As a noun from 1709.

1. Their profligate lifestyle resulted in bankruptcy.

彼らの浪費した生活様式による倒産.

2.This young man had all the inclination to be a profligate of the first water.

この青年は完全に十分な放蕩息子になる可能性がある。

3.Similarly Americans have been profligate in the handling of mineral resources.

同様に、米国も鉱物資源の処理に多くの浪費をしている。

4.He is a careless profligate .

彼は大雑把な放蕩者だ。

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5.He is wicked and profligate .

彼は厚かましく、モラルが壊れている。