like + -ly

source: [バカとテストと召喚獣の吉井明久が自分の身に起こることを想像するGIF画像｜無料GIF画像検索 GIFMAGAZINE 541215]

adjective (likelier, likeliest)

1. such as well might happen or be true; probable: 起こりそうな、本当になりそうな; 起こりそうな

〈物･事が〉十分ありそうな, 起こりそうな, 有望な(↔ improbable); 〖it is ～ that節〗 おそらく…だろう(→ likely形容詞1)

e.g. it was likely that he would make a televised statement: 彼はおそらくテレビ放送される声明を出すだろう。

e.g. sales are likely to drop further: 売上はさらに落ちるだろう。

e.g. the likely effects of the drought on sugar beet yields.: テンサイの収穫高に干ばつの起こりそうな影響

2. apparently suitable; promising: たぶん適切な; 有望な

e.g. a likely-looking spot.: 見るのに適した地点

probably: おそらく

e.g. we will most likely go to a bar.: 私達はバーに行くのが最も可能性が高いだろう。

used to express disbelief of an account or excuse:

e.g. Gone running, has he? A likely story!

probably:

e.g. I won't take their pills, because as likely as not they'd poison me.

informal certainly not; I refuse:

e.g. “Are you going home?” “Not likely!”.

likeliness noun

Middle English: from Old Norse líkligr, from líkr (see like1).