doubt

As verbs the difference between complain and doubt

is that complain is to express feelings of pain, dissatisfaction, or resentment while doubt is to lack confidence in; to disbelieve, question, or suspect.

As a noun doubt is

uncertainty, disbelief.

As a noun doubt

is uncertainty, disbelief.

As a verb doubt

is to lack confidence in; to disbelieve, question, or suspect.

As an adjective undeniable is

irrefutable, or impossible to deny.

As verbs the difference between doubt and imagine

is that doubt is to lack confidence in; to disbelieve, question, or suspect while imagine is to form a mental of something; to envision or create something in one's mind.

As a noun doubt

is uncertainty, disbelief.

In obsolete|lang=en terms the difference between doubt and demur

is that doubt is (obsolete) to fill with fear; to affright while demur is (obsolete) to cause delay to; to put off.

As nouns the difference between doubt and demur

is that doubt is uncertainty, disbelief while demur is stop; pause; hesitation as to proceeding; suspense of decision or action; scruple.

As verbs the difference between doubt and demur

is that doubt is (ambitransitive) to lack confidence in; to disbelieve, question, or suspect while demur is (obsolete) to linger; to stay; to tarry.

As verbs the difference between catechise and doubt

is that catechise is standard spelling of from=non-Oxford British spelling|catechize|lang=en while doubt is to lack confidence in; to disbelieve, question, or suspect.

As a noun doubt is

uncertainty, disbelief.

As nouns the difference between exception and doubt

is that exception is the act of excepting or excluding; exclusion; restriction by taking out something which would otherwise be included, as in a class, statement, rule while doubt is uncertainty, disbelief.

As a verb doubt is

to lack confidence in; to disbelieve, question, or suspect.

As nouns the difference between doubt and irresolution

is that doubt is uncertainty, disbelief while irresolution is lack of resolution; lack of decision or purpose; vacillation.

As a verb doubt

is to lack confidence in; to disbelieve, question, or suspect.

As a noun doubt

is uncertainty, disbelief.

As a verb doubt

is (ambitransitive) to lack confidence in; to disbelieve, question, or suspect.

As an adjective irresolute is

undecided or unsure how to act.

As verbs the difference between speculate and doubt

is that speculate is to think, meditate or reflect on a subject; to consider, to deliberate or cogitate while doubt is to lack confidence in; to disbelieve, question, or suspect.

As a noun doubt is

uncertainty, disbelief.

In obsolete terms the difference between doubt and scruple

is that doubt is to fill with fear; to affright while scruple is to doubt; to question; to hesitate to believe; to question the truth of (a fact, etc.).

As nouns the difference between doubt and scruple

is that doubt is uncertainty, disbelief while scruple is a weight of twenty grains; the third part of a dram.

As verbs the difference between doubt and scruple

is that doubt is to lack confidence in; to disbelieve, question, or suspect while scruple is to be reluctant or to hesitate, as regards an action, on account of considerations of conscience or expedience.