adamantly

As an adverb adamantly

is in an immovable or inflexible manner.

As a noun null is

zero, nil; the cardinal number before einn.

As a letter s

is the letter s with a.

As an adverb adamantly is

in an immovable or inflexible manner.

As adverbs the difference between adamantly and utterly

is that adamantly is in an immovable or inflexible manner while utterly is completely, entirely, to the fullest extent.

As adverbs the difference between sternly and adamantly

is that sternly is in a stern manner while adamantly is in an immovable or inflexible manner.

As adverbs the difference between confidently and adamantly

is that confidently is in a confident manner; with confidence; with strong assurance; positively while adamantly is in an immovable or inflexible manner.

As adverbs the difference between resolutely and adamantly

is that resolutely is in a resolute manner while adamantly is in an immovable or inflexible manner.

As adverbs the difference between strongly and adamantly

is that strongly is in a strong or powerful manner while adamantly is in an immovable or inflexible manner.

As adverbs the difference between adamantly and pointblank

is that adamantly is in an immovable or inflexible manner while pointblank is (obsolete|or|rare) point blank.

As adverbs the difference between fervently and adamantly

is that fervently is in a fervent manner while adamantly is in an immovable or inflexible manner.

As an adverb adamantly

is in an immovable or inflexible manner.

As an adjective vehement is

vehement.