In the following groups of synonyms, find the synonymic dominant. Give reasons for your choice.

exact, precise, accurate.

savage, uncivilised, barbarous.

hide, conceal, disguise.

agree, approve, consent.

recall, recollect.

cry, weep, scream, shriek.

lazy, indolent, idle, vain.

clever, able, intelligent, keen, sharp.

ignorant, illiterate, uneducated, misinformed.

agile, nimble, alert, quick, brisk, active.