Synonyms of the word

effortless

• adj. Without effort.

casual

• adj. Happening by chance.
• adj. Coming without regularity; occasional or incidental.
• adj. Employed irregularly.
• adj. Careless.
• adj. Happening or coming to pass without design.
• adj. Informal, relaxed.
• adj. Designed for informal or everyday use.
• n. (Britain, Australia, New Zealand) A worker who is only working for a company occasionally, not as its…
• n. A soldier temporarily at a place of duty, usually en route to another place of duty.
• n. (Britain) A member of a group of football hooligans who wear expensive designer clothing to avoid police…
• n. One who receives relief for a night in a parish to which he does not belong; a vagrant.
• n. (video games, informal) A player of casual games.
• n. (dated) (Britain) A tramp.

easy

• adj. (now rare except in certain expressions) Comfortable; at ease.
• adj. Requiring little skill or effort.
• adj. Causing ease; giving comfort, or freedom from care or labour.
• adj. Free from constraint, harshness, or formality; unconstrained; smooth.
• adj. (informal, pejorative, of a person) Consenting readily to sex.
• adj. Not making resistance or showing unwillingness; tractable; yielding; compliant.
• adj. (finance, dated) Not straitened as to money matters; opposed to tight.
• adv. In a relaxed or casual manner.
• adv. In a manner without strictness or harshness.
• adv. Used an intensifier for large magnitudes.
• adv. Not difficult, not hard.
• n. Something that is easy.
• v. (rowing) Synonym of easy-oar.

facile

• adj. Easy, now especially in a disparaging sense; contemptibly easy.
• adj. (now rare) Amiable, flexible, easy to get along with.
• adj. Effortless, fluent (of work, abilities etc.).
• adj. Lazy, simplistic (especially of explanations, discussions etc.).
• adj. (chemistry) Of a reaction or other process, taking place readily.

unforced

• adj. Not forced.

unstrained

• adj. Not strained or tense.
• adj. (not comparable) Not having been forced through a strainer.