tightly

As an adverb tightly

is in a tight manner.

As a verb concealed is

(conceal).

As adverbs the difference between robustly and tightly

is that robustly is in a robust manner while tightly is in a tight manner.

As adverbs the difference between tightly and tautly

is that tightly is in a tight manner while tautly is in a taut manner, tightly, tensely.

As adverbs the difference between narrowly and tightly

is that narrowly is in a narrow manner; without flexibility or latitude while tightly is in a tight manner.

As adverbs the difference between tightly and strictly

is that tightly is in a tight manner while strictly is in a strict manner.

As an adjective adequate

is equal to some requirement; proportionate, or correspondent; fully sufficient; as, powers adequate to a great work; an adequate definition lawfully and physically sufficient.

As a verb adequate

is to equalize; to make adequate.

As an adverb tightly is

in a tight manner.

As adverbs the difference between tightly and compactly

is that tightly is in a tight manner while compactly is in a compact manner.

As adverbs the difference between tightly and fully

is that tightly is in a tight manner while fully is in a full manner; without lack or defect.

As adverbs the difference between tightly and thoroughly

is that tightly is in a tight manner while thoroughly is in a thorough or complete manner.

As adverbs the difference between tightly and heavily

is that tightly is in a tight manner while heavily is in a heavy manner.