1.
influential, powerful
Having great power, authority, or influence. Used for people, organizations, or entities with significant sway.
有力な政治家に相談した。
I consulted an influential politician.
有力企業がスポンサーについた。
A powerful company became a sponsor.
地元の有力者たちが集まり、地域開発について話し合った。
Local influential figures gathered to discuss regional development.
2.
strong, leading, likely (candidate/theory/clue)
Having a high likelihood of being correct or winning. Used for candidates, theories, leads, or possibilities that are considered the most probable.
彼が有力な候補だ。
He is a strong candidate.
有力な手がかりが見つかった。
A strong lead was found.
現時点で最も有力な説は、隕石衝突が原因だというものだ。
The most compelling theory at present is that a meteorite impact was the cause.
USAGE:
Sense 1 describes power and influence held by people or organizations. 有力者 (an influential person) is a common derived noun.
Sense 2 is very common in news reporting: 有力な候補 (strong candidate), 有力な説 (leading theory), 有力な手がかり (strong lead).
COMMON COLLOCATIONS:
- 有力な候補: strong candidate
- 有力な説: leading theory
- 有力な手がかり: strong lead/clue
- 有力者: influential person, person of influence
- 有力企業: powerful company
SIMILAR WORDS:
- 影響力のある: influential (descriptive phrase)
- 強力: powerful, strong (physical or abstract force)