| Term | Definition |
| Abatir | To knock down, to overthrow, to throw down |
| Abrasar | To burn, to set on fire |
| Abrazar | To embrace, to hug; to clamp |
| Abrir | To open |
| Absolver | To absolve, to acquit |
| Abstenerse | To abstain |
| Aburrir | To annoy, to bore, to vex |
| Aburrirse | To be bored, to grow tired, to grow weary |
| Acabar | To finish, to end, to complete |
| Acelerar | To accelerate, to speed, to hasten, to hurry |
| Aceptar | To accept |
| Acercar | To bring near, to place near |
| Acercarse | To approach, to draw near |
| Acertar | To hit the mark, to hit upon, to do (something) right, to succeed in, to guess right |
| Aclamar | To acclaim, to applaud, to shout, to hail |
| Aclarar | To explain, to clarify, to make clear, to rinse, to clear |
| Acompanar | (with an accent on the n) To accompany, to escort, to go with, to keep company |
| Aconsejar | To advise, to counsel |
| Acordar | To agree (upon) |
| Acordarse | To remember |
| Acostarse | To go to bed, to lie down |
| Acostumbrar | To be accustomed, to be in the habit of |
| Acuchillar | To knife, to cut, to slash, to cut open |
| Acudir | To attend, to be present frequently, to respond (to a call), to come to the rescue |
| Acusar | To accuse |
| Adelantar | To advance, to keep on, to progress, to go ahead |
| Adelantarse | To go forward, to go ahead, to move ahead, to take the lead |
| Adivinar | To divine, to foretell, to guess |
| Admirar | To admire |
| Admitir | To admit, to grant, to permit |
| Adoptar | To adopt |
| Adorar | To adore, to worship |
| Adquirir | To acquire, to get, to obtain |
| Advertir | To advise, to give notice, to give warning, to take notice of, to warn |
| Afeitarse | To shave oneself |
| Agarrar | To grasp, to obtain, to seize, to catch, to clutch, to come upon |
| Agitar | To agitate, to wave, to shake up, to stir |
| Agotar | To exhaust, to use up |
| Agradar | To please, to be pleasing |
| Agradecer | To thank, to be thankful for |
| Agrandar | To enlarge, to grow larger, to increase |
| Agravar | To aggravate, to make worse |
| Agregar | To add, to collect, to gather, to aggregate, to collate |
| Agrupar | To group |
| Aguardar | To expect, to wait for |
| Ahorrar | To economize, to save |
| Alcanzar | To reach, to overtake |
| Alegrarse | To be glad, to rejoice |
| Almorzar | To lunch, to have lunch |
| Alquilar | To hire, to rent |
| Alumbrar | To illuminate, to light, to enlighten |
| Alumbrarse | To be (get) high, to get tipsy, to become lively (from liquor) |
| Alzar | To heave, to lift, to pick up, to raise (prices) |
| Amar | To love |
| Anadir | (with an accent on the n) To add |
| Andar | To walk |
| Anunciar | To announce, to foretell, to proclaim |
| Apagar | To put out (flame, fire), to extinguish, to turn off (flame, fire, light) |
| Aparecer | To appear, to show up |
| Aplaudir | To applaud |
| Apoderarse | To take power, to take possession |
| Apreciar | To appreciate, to appraise, to esteem |
| Aprender | To learn |
| Apresurarse | To hasten, to hurry, to rush |
| Aprobar | To approve, to pass a test |
| Aprovecharse | To take advantage, to avail oneself |
| Apurarse | To fret, to grieve, to worry |
| Arrancar | To root up (out), to pull up (out), to tear off (away), to snatch, to start (a motor), to boot up (a computer) |
| Arreglar | To fix, to arrange, to adjust, to regulate, to settle, to repair |
| Arrojar | To fling, to hurl, to throw |
| Articular | To articulate, to pronounce distinctly |
| Asegurar | To assure, to affirm, to assert, to insure |
| Asir | To seize, to grasp |
| Asistir | To attend, to assist, to be present |
| Asustarse | To be frightened, to be scared |
| Atacar | To attack |
| Atenerse | To rely on, to depend on |
| Atraer | To attract, to allure, to charm |
| Atravesar | To cross, to go through, to run through |
| Atreverse | To dare, to venture |
| Avanzar | To advance |
| Avergonzar | To shame |
| Averiguar | To find out, to inquire, to investigate |
| Ayudar | To help, to aid, to assist |