senile

As adjectives the difference between imbecile and senile

is that imbecile is (dated) destitute of strength, whether of body or mind; feeble; impotent; especially, mentally weak while senile is senile.

As a noun imbecile

is (obsolete) a person with limited (l) (l) who can perform (l) and think only like a young child, in medical circles meaning a person who lacks the capacity to develop beyond the mental age of a normal five to seven-year-old child.

Feeble is a related term of senile.

As adjectives the difference between feeble and senile

is that feeble is deficient in physical strength; weak; infirm; debilitated while senile is senile.

As a verb feeble

is (obsolete) to make feeble; to enfeeble.

As adjectives the difference between ageing and senile

is that ageing is (australia|new zealand|british) becoming elderly while senile is senile.

As a verb ageing

is (australia|new zealand|british).

As a noun ageing

is (australia|new zealand|british) the process of becoming older or more mature.

Weak is a related term of senile.

As adjectives the difference between weak and senile

is that weak is lacking in force (usually strength) or ability while senile is senile.

As an adjective senile

is senile.

As a noun personality is

a set of qualities that make a person (or thing) distinct from another.

As an adjective senile

is senile.

As a proper noun biden is

.

As adjectives the difference between virile and senile

is that virile is being manly; having characteristics associated with being male, such as strength; exhibiting masculine traits to an exaggerated degree such as strength, forcefulness or vigor while senile is senile.

As adjectives the difference between forward and senile

is that forward is toward the front or at the front while senile is senile.

As a noun forward

is (dialectal|or|obsolete) agreement; covenant or forward can be (rugby) one of the eight players (comprising two props, one hooker, two locks, two flankers and one number eight, collectively known as the pack) whose primary task is to gain and maintain possession of the ball (compare back).

As an adverb forward

is towards the front or from the front.

As a verb forward

is to advance, promote.

As adjectives the difference between obsolete and senile

is that obsolete is no longer in use; gone into disuse; disused or neglected (often by preference for something newer, which replaces the subject) while senile is of, or relating to old age.

As a verb obsolete

is to cause to become obsolete.

As an adjective senile

is of, or relating to old age.

As a noun decrepitude is

the state of being decrepit or worn out from age or long use.