portentous

Portentous is a synonym of alarming.

As adjectives the difference between portentous and alarming

is that portentous is of momentous or ominous significance while alarming is causing apprehension, fear or alarm; frightening.

As a verb alarming is

.

Portentous is a synonym of fateful.

As adjectives the difference between portentous and fateful

is that portentous is of momentous or ominous significance while fateful is momentous, significant, setting or sealing ones fate.

As adjectives the difference between portentous and astonishing

is that portentous is of momentous or ominous significance while astonishing is causing astonishment in; causing to be astonished.

As a verb astonishing is

present participle of lang=en.

Portentous is a synonym of amazing.

As adjectives the difference between portentous and amazing

is that portentous is of momentous or ominous significance while amazing is causing wonder and amazement; possessing uniquely wonderful qualities.

As a verb amazing is

.

Portentous is a synonym of significant.

As adjectives the difference between portentous and significant

is that portentous is of momentous or ominous significance while significant is signifying something; carrying meaning.

As a noun significant is

that which has significance; a sign; a token; a symbol.

Portentous is a synonym of incredible.

As adjectives the difference between portentous and incredible

is that portentous is of momentous or ominous significance while incredible is incredible.

As adjectives the difference between portentous and arrogant

is that portentous is of momentous or ominous significance while arrogant is having excessive pride in oneself, often with contempt for others.

As adjectives the difference between portentous and pompous

is that portentous is of momentous or ominous significance while pompous is affectedly grand, solemn or self-important.

Portentous is a synonym of surprising.

As adjectives the difference between portentous and surprising

is that portentous is of momentous or ominous significance while surprising is that is or are a surprise.

As a verb surprising is

.

As a noun surprising is

the action of the verb to surprise .

As adjectives the difference between portentous and extraordinary

is that portentous is of momentous or ominous significance while extraordinary is not ordinary; exceptional; unusual.