IELTS writing task 1 (adjectives and adverbs)

slight / slightly

small in size or degree

minor / minorly

small and unimportant

marginal / marginally

very small and barely noticeable

moderate / moderately

neither small nor large

significant / significantly

large enough to be important

considerable / considerably

fairly large in amount

substantial / substantially

very large and noticeable

dramatic / dramatically

sudden and very large

sharp / sharply

sudden and clear

steep / steeply

large and fast (often for falls)

rapid / rapidly

happening very fast

quick / quickly

happening in a short time

gradual / gradually

slow and steady over time

steady / steadily

consistent and regular

stable / stably

showing little or no change

constant / constantly

unchanged over time

unchanged

not altered

consistent / consistently

regular and without variation

volatile / volatily

changing unpredictably

wide / widely

covering a large range

irregular / irregularly

without a clear pattern

notable / notably

easy to notice

marked / markedly

clearly noticeable

noticeable / noticeably

easy to see

relative / relatively

compared to something else