Crazy vs. Loco — What's the Difference?

Mad, especially as manifested in wild or aggressive behaviour

Mentally deranged; crazy.

Extremely enthusiastic

See locoweed.

(of an angle) appearing absurdly out of place or unlikely

See locoism.

Extremely

To poison with locoweed.

A mad person

(Slang) To cause to be mentally deranged; craze.

Mentally deranged.

At the pitch written. Used chiefly as a direction.

(Informal) Odd or eccentric in behavior.

(music) A direction in written or printed music to be returning to the proper pitch after having played an octave higher or lower.

Possessed by enthusiasm or excitement

(colloquial) Crazy.

Immoderately fond; infatuated

(Southwestern US) Intoxicated by eating locoweed.

Intensely involved or preoccupied

A certain species of Astragalus or Oxytropis, capable of causing locoism.

Foolish or impractical; senseless

A locomotive.

Intensely annoyed or irritated

(transitive) To poison with the loco plant; to affect with locoism.

Disorderly or askew

To render insane.

(Informal) Extremely; very

A direction in written or printed music to return to the proper pitch after having played an octave higher.

One who is or appears to be mentally deranged

A plant (Astragalus Hornii) growing in the Southwestern United States, which is said to poison horses and cattle, first making them insane. The name is also given vaguely to several other species of the same genus. Called also loco weed.

Of unsound mind; insane; demented.

Any one of various leguminous plants or weeds besides Astragalus, whose herbage is poisonous to cattle, as Spiesia Lambertii, syn. Oxytropis Lambertii.

Out of control.

A locomotive.

Very excited or enthusiastic.

To poison with loco; to affect with the loco disease; hence (Colloq.), to render insane or mad.

In love; experiencing romantic feelings.

Insane; crazy.

(informal) Very unexpected; wildly surprising.

Informal or slang terms for mentally irregular;

(obsolete) Flawed or damaged; unsound, liable to break apart; ramshackle.

(obsolete) Sickly, frail; diseased.

(slang) Very, extremely.

An insane or eccentric person; a crackpot.

Eccentric behaviour; lunacy; craziness.

Characterized by weakness or feebleness; decrepit; broken; falling to decay; shaky; unsafe.

Broken, weakened, or dissordered in intellect; shattered; demented; deranged.

Inordinately desirous; foolishly eager.

Someone deranged and possibly dangerous

Affected with madness or insanity;

Foolish; totally unsound;

Marked by foolish or unreasoning fondness;

Possessed by inordinate excitement;

Bizarre or fantastic;

Intensely enthusiastic about or preoccupied with;