Constrain (verb)
روکے رکھنا، محدود رکھنا، زبردستی کرنا
compel or force (someone) to follow a particular course of action.
Example: “children are constrained to work in the way the book dictates”
Synonyms: compel, force, coerce, drive, impel, oblige, prevail on, require, press, push, pressure
Antonyms: relax
Lacklustre (adjective)
دھندلا،مانند،بے آب و تاب
lacking in vitality, force, or conviction; uninspired or uninspiring.
Example: “no excuses were made for the team’s lacklustre performance”
Synonyms: uninspired, uninspiring, unimaginative, dull, humdrum, colourless, characterless, bland
Antonyms: inspired, brilliant