arduously, assiduously, difficult, intently, intensively, relentlessly, rock-like, rigid, solid, strenuously, stiff, stony, strong
mighty and tough
No. Stir is a verb, and the word tough would not modify it. The word tough is normally an adjective, but may be used informally as an adverb in forms such as "hang tough" (in "stay tough" it is an adjective, as stay functions as a linking verb meaning remain).
Other words meaning error include mistake, goof, and mess-up.
Hard as in Difficult would be: arduous, difficult, bothersome, burdensome Hard as in tough would be: rocky, firm, rigid, impenetrable, solid, stiff.
powerful, muscular, energetic, tough, active,
tough in Tagalog: matigas; astig
'MEANING' in other words can be the 'vocabulary' of a word or the 'essence' of the word as to what the word precisely means. OR meaning is the meaning of meaning what you just said meaning
Linking words that are similar in meaning.
exactly
substance
although
The words are called synonyms.