speculate

As a verb speculate

is to think, meditate or reflect on a subject; to consider, to deliberate or cogitate.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As a verb speculate

is to think, meditate or reflect on a subject; to consider, to deliberate or cogitate.

As a noun talk is

talc.

As verbs the difference between speculate and infirm

is that speculate is to think, meditate or reflect on a subject; to consider, to deliberate or cogitate while infirm is to contradict, to provide proof that something is not.

As an adjective infirm is

weak or ill, not in good health.

As verbs the difference between observe and speculate

is that observe is while speculate is to think, meditate or reflect on a subject; to consider, to deliberate or cogitate.

As a verb speculate

is to think, meditate or reflect on a subject; to consider, to deliberate or cogitate.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As verbs the difference between speculate and insinuate

is that speculate is to think, meditate or reflect on a subject; to consider, to deliberate or cogitate while insinuate is (rare) to creep, wind, or flow into; to enter gently, slowly, or imperceptibly, as into crevices.

As a verb speculate

is to think, meditate or reflect on a subject; to consider, to deliberate or cogitate.

As an adjective sceptical is

having, or expressing doubt; questioning.

As a verb speculate

is to think, meditate or reflect on a subject; to consider, to deliberate or cogitate.

As an adjective undefined is

lacking a definition or value.

As verbs the difference between thought and speculate

is that thought is (think) while speculate is to think, meditate or reflect on a subject; to consider, to deliberate or cogitate.

As a noun thought

is form created in the mind, rather than the forms perceived through the five senses; an instance of thinking.

As verbs the difference between question and speculate

is that question is to ask questions of; interrogate; enquire; ask for information while speculate is to think, meditate or reflect on a subject; to consider, to deliberate or cogitate.

As a noun question

is a sentence, phrase or word which asks for information, reply or response; an interrogative.