Retain vs. Sustain
Retainverb
(transitive) To keep in possession or use.
Retainverb
(transitive) To keep in one's pay or service.
Retainverb
(transitive) To employ by paying a retainer.
Retainverb
(transitive) To hold secure.
Retainverb
(obsolete) To restrain; to prevent.
Retainverb
(obsolete) To belong; to pertain.
Retainverb
To continue to hold; to keep in possession; not to lose, part with, or dismiss; to restrain from departure, escape, or the like.
Retainverb
To keep in pay; to employ by a preliminary fee paid; to hire; to engage; as, to retain a counselor.
Retainverb
To restrain; to prevent.
Retainverb
To belong; to pertain.
Retainverb
To keep; to continue; to remain.
Retainverb
hold within;
Retainverb
allow to remain in a place or position;
Retainverb
secure and keep for possible future use or application;
Retainverb
keep in one's mind;
Sustainverb
(transitive) To maintain, or keep in existence.
Sustainverb
(transitive) To provide for or nourish.
Sustainverb
(transitive) To encourage (something). en
Sustainverb
(transitive) To experience or suffer (an injury, etc.).
Sustainverb
(transitive) To confirm, prove, or corroborate; to uphold.
Sustainverb
To keep from falling; to bear; to uphold; to support.
Sustainverb
To aid, comfort, or relieve; to vindicate.
Sustainnoun
(music) A mechanism which can be used to hold a note, as the right pedal on a piano.
Sustainverb
To keep from falling; to bear; to uphold; to support; as, a foundation sustains the superstructure; a beast sustains a load; a rope sustains a weight.
Sustainverb
Hence, to keep from sinking, as in despondence, or the like; to support.
Sustainverb
To maintain; to keep alive; to support; to subsist; to nourish; as, provisions to sustain an army.
Sustainverb
To aid, comfort, or relieve; to vindicate.
Sustainverb
To endure without failing or yielding; to bear up under; as, to sustain defeat and disappointment.
Sustainverb
To suffer; to bear; to undergo.
Sustainverb
To allow the prosecution of; to admit as valid; to sanction; to continue; not to dismiss or abate; as, the court sustained the action or suit.
Sustainverb
To prove; to establish by evidence; to corroborate or confirm; to be conclusive of; as, to sustain a charge, an accusation, or a proposition.
Sustainnoun
One who, or that which, upholds or sustains; a sustainer.
Sustainverb
lengthen or extend in duration or space;
Sustainverb
undergo (as of injuries and illnesses);
Sustainverb
provide with nourishment;
Sustainverb
supply with necessities and support;
Sustainverb
be the physical support of; carry the weight of;
Sustainverb
admit as valid;
Sustainverb
establish or strengthen as with new evidence or facts;
Sustainverb
strengthen or support physically or mentally
Sustainverb
bear (the weight of an object) without breaking or falling
Sustainverb
undergo or suffer (something unpleasant, especially an injury)
Sustainverb
cause to continue for an extended period or without interruption
Sustainverb
(of a performer) represent (a part or character) convincingly
Sustainverb
uphold, affirm, or confirm the justice or validity of
Sustainnoun
an effect or facility on a keyboard or electronic instrument whereby a note can be sustained after the key is released.
