effortless

As an adjective effortless

is without effort.

As a noun null is

zero, nil; the cardinal number before einn.

Clever is a related term of effortless.

As adjectives the difference between clever and effortless

is that clever is nimble with hands or body; skillful; adept while effortless is without effort.

As a letter s

is the letter s with a.

As an adjective effortless is

without effort.

As adjectives the difference between conversational and effortless

is that conversational is of, relating to, or in the style of a conversation; informal and chatty while effortless is without effort.

As adjectives the difference between effectless and effortless

is that effectless is having no effect or advantage while effortless is without effort.

As adjectives the difference between casual and effortless

is that casual is happening by chance while effortless is without effort.

As a noun casual

is (british|nz) a worker who is only working for a company occasionally, not as its permanent employee.

As adjectives the difference between easygoing and effortless

is that easygoing is (of a person) calm, relaxed, casual and informal while effortless is without effort.

As an adjective effortless

is without effort.

As a noun finesse is

finesse.

As adjectives the difference between strenuous and effortless

is that strenuous is urgent, ardent, zealous while effortless is without effort.