Synonyms of the word

laboured

• v. simple past tense and past participle of labour.
• adj. Of an action that is difficult to perform.
• adj. Of writing or speech or similar, stilted or not natural due to too much effort being used in the production.

awkward

• adv. (obsolete) In a backwards direction.
• adj. Lacking dexterity in the use of the hands, or of instruments.
• adj. Not easily managed or effected; embarrassing.
• adj. Lacking social skills, or uncomfortable with social interaction.
• adj. Perverse; adverse; difficult to handle.
• n. Someone or something that is awkward.

effortful

• adj. Requiring or showing effort.

heavy

• adj. (of a physical object) Having great weight.
• adj. (of a topic) Serious, somber.
• adj. Not easy to bear; burdensome; oppressive.
• adj. (Britain, slang, dated) Good.
• adj. (dated, late 1960s, 1970s, US) Profound.
• adj. (of a rate of flow) High, great.
• adj. (slang) Armed.
• adj. (music) Louder, more distorted.
• adj. (of weather) Hot and humid.
• adj. (of a person) Doing the specified activity more intensely than most other people.
• adj. (of food) High in fat or protein; difficult to digest.
• adj. Of great force, power, or intensity; deep or intense.
• adj. Laden to a great extent.
• adj. Laden with that which is weighty; encumbered; burdened; bowed down, either with an actual burden, or with…
• adj. Slow; sluggish; inactive; or lifeless, dull, inanimate, stupid.
• adj. Impeding motion; cloggy; clayey.
• adj. Not raised or leavened.
• adj. Having much body or strength; said of wines or spirits.
• adj. (obsolete) With child; pregnant.
• adv. heavily.
• adv. (India, colloquial) very.
• n. A villain or bad guy; the one responsible for evil or aggressive acts.
• n. (slang) A doorman, bouncer or bodyguard.
• n. (aviation) A large multi-engined aircraft.
• v. (often with "up") To make heavier.
• v. To sadden.
• v. (Australia, New Zealand, informal) To use power and/or wealth to exert influence on, e.g., governments…
• adj. Having the heaves.

labored

• v. simple past tense and past participle of labor.
• adj. Of an action that is difficult to perform.

strained

• adj. Forced through a strainer.
• adj. Under tension; tense.
• v. simple past tense and past participle of strain.