The difference between Peculiar and Weird

When used as nouns, peculiar means that which is peculiar, whereas weird means fate.

When used as adjectives, peculiar means out of the ordinary, whereas weird means having an unusually strange character or behaviour.

Weird is also verb with the meaning: to destine.

check bellow for the other definitions of Peculiar and Weird

Peculiar as an adjective:

Out of the ordinary; odd; strange; unusual.

Examples:

"The sky had a peculiar appearance before the storm."

"It would be rather peculiar to see a kangaroo hopping down a city street."
Peculiar as an adjective:

Common or usual for a certain place or circumstance; specific or particular.

Examples:

"Kangaroos are peculiar to Australia."
Peculiar as an adjective (dated):

One's own; belonging solely or especially to an individual; not shared or possessed by others.
Peculiar as an adjective (dated):

Particular; individual; special; appropriate.

Peculiar as a noun:

That which is peculiar; a sole or exclusive property; a prerogative; a characteristic.
Peculiar as a noun (UK, canon law):

an ecclesiastical district, parish, chapel or church outside the jurisdiction of the bishop of the diocese in which it is situated.

Weird as an adjective:

Having an unusually strange character or behaviour.

Examples:

"There are lots of weird people in this place."
Weird as an adjective:

Deviating from the normal; bizarre.

Examples:

"It was quite weird to bump into all my ex-girlfriends on the same day."
Weird as an adjective (archaic):

Of or pertaining to the Fates.

Examples:

"maintenance line Can we find and add a quotation to this entry?"
Weird as an adjective (archaic):

Connected with fate or destiny; able to influence fate.
Weird as an adjective (archaic):

Of or pertaining to witches or witchcraft; supernatural; unearthly; suggestive of witches, witchcraft, or unearthliness; wild; uncanny.
Weird as an adjective (archaic):

Having supernatural or preternatural power.

Examples:

"There was a weird light shining above the hill."

Weird as a noun (archaic):

Fate; destiny; luck.
Weird as a noun:

A prediction.
Weird as a noun (obsolete, Scotland):

A spell or charm.

Examples:

"rfquotek Sir Walter Scott"
Weird as a noun:

That which comes to pass; a fact.
Weird as a noun (archaic, in the plural):

The Fates (personified).

Weird as a verb (transitive):

To destine; doom; change by witchcraft or sorcery.
Weird as a verb (transitive):

To warn solemnly; adjure.