firmly

Firmly is a related term of rigid.

As an adverb firmly

is in a firm or definite or strong manner.

As an adjective rigid is

rigid.

As adverbs the difference between roundly and firmly

is that roundly is circularly while firmly is in a firm or definite or strong manner.

As adverbs the difference between hard and firmly

is that hard is with much force or effort while firmly is in a firm or definite or strong manner.

As an adjective hard

is having a severe property; presenting difficulty.

As a noun hard

is a firm or paved beach or slope convenient for hauling vessels out of the water.

As adverbs the difference between firmly and solidly

is that firmly is in a firm or definite or strong manner while solidly is in a solid or firm manner.

As adverbs the difference between rightly and firmly

is that rightly is aright, in a right manner, correctly, justifiably while firmly is in a firm or definite or strong manner.

As a noun righty

is a right-handed person.

As an interjection righty

is (informal) right; used to indicate agreement or change of topic.

As an adverb firmly is

in a firm or definite or strong manner.

As adverbs the difference between decidedly and firmly

is that decidedly is in a manner which leaves little question; definitely, clearly while firmly is in a firm or definite or strong manner.

Firmly is a related term of clearly.

As adverbs the difference between firmly and clearly

is that firmly is in a firm or definite or strong manner while clearly is (manner) in a clear manner.

Tightly is a synonym of firmly.

As adverbs the difference between firmly and tightly

is that firmly is in a firm or definite or strong manner while tightly is in a tight manner.