1. In a crooked manner.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• xrookedly,
• vrookedly,
• frookedly,
• drookedly,
• ceookedly,
• cdookedly,
• cfookedly,
• ctookedly,
• c5ookedly,
• c4ookedly,
• criokedly,
• crooekdly,
• crrookedly,
• crookedlly,
• clokedly,
• Cloekedly,
• grondedly,
• corskedly,
• crookidly,
• creakedly

• crouched,
• crossed eye,
• crazed,
• Croaked,
• cracked,
• crossed,
• cricket,
• crocket,
• crocketed,
• crookedness,
• crooked,
• crocked.

The adjective form of the word "crookedly" is "crooked".

The plural form of "crookedly" remains the same, as it is an adverb and does not change when referring to multiple instances.

The singular form of the word "crookedly" is "crookedly" as it is an adverb and does not have a distinct singular form.